ICD-10 · PDGM grouping
T20 Burn and corrosion of head, face, and neck
All 264 codes in the T20 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
264
Can lead a claim
135
Cannot lead a claim
129
What CMS assigns to T20
135 of the 264 codes group to Wound (108) and MMTA - Other (27); 129 are assigned no clinical group. None of the 264 is assigned a comorbidity subgroup. 135 of the 264 can lead a claim. CMS attaches a code-first note to 132 of the 264.
Code first
CMS grouper convention 8, on T20.40XA, T20.40XD, T20.40XS, T20.411A, T20.411D, T20.411S, T20.412A, T20.412D, T20.412S, T20.419A, T20.419D, T20.419S, T20.42XA, T20.42XD, T20.42XS, T20.43XA, T20.43XD, T20.43XS, T20.44XA, T20.44XD, T20.44XS, T20.45XA, T20.45XD, T20.45XS, T20.46XA, T20.46XD, T20.46XS, T20.47XA, T20.47XD, T20.47XS, T20.49XA, T20.49XD, T20.49XS, T20.50XA, T20.50XD, T20.50XS, T20.511A, T20.511D, T20.511S, T20.512A, T20.512D, T20.512S, T20.519A, T20.519D, T20.519S, T20.52XA, T20.52XD, T20.52XS, T20.53XA, T20.53XD, T20.53XS, T20.54XA, T20.54XD, T20.54XS, T20.55XA, T20.55XD, T20.55XS, T20.56XA, T20.56XD, T20.56XS, T20.57XA, T20.57XD, T20.57XS, T20.59XA, T20.59XD, T20.59XS, T20.60XA, T20.60XD, T20.60XS, T20.611A, T20.611D, T20.611S, T20.612A, T20.612D, T20.612S, T20.619A, T20.619D, T20.619S, T20.62XA, T20.62XD, T20.62XS, T20.63XA, T20.63XD, T20.63XS, T20.64XA, T20.64XD, T20.64XS, T20.65XA, T20.65XD, T20.65XS, T20.66XA, T20.66XD, T20.66XS, T20.67XA, T20.67XD, T20.67XS, T20.69XA, T20.69XD, T20.69XS, T20.70XA, T20.70XD, T20.70XS, T20.711A, T20.711D, T20.711S, T20.712A, T20.712D, T20.712S, T20.719A, T20.719D, T20.719S, T20.72XA, T20.72XD, T20.72XS, T20.73XA, T20.73XD, T20.73XS, T20.74XA, T20.74XD, T20.74XS, T20.75XA, T20.75XD, T20.75XS, T20.76XA, T20.76XD, T20.76XS, T20.77XA, T20.77XD, T20.77XS, T20.79XA, T20.79XD, T20.79XS. Code first:
- , if applicable, toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Every code in T20
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| T20.0 Burn of unspecified degree of head, face, and neck | ||||
| T20.00 Burn of unspecified degree of head, face, and neck, unspecified site | ||||
| T20.00XA | Burn of unspecified degree of head, face, and neck, unspecified site, initial encounterCMS: Burn of unsp degree of head, face, and neck, unsp site, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.00XD | Burn of unspecified degree of head, face, and neck, unspecified site, subsequent encounterCMS: Burn of unsp degree of head, face, and neck, unsp site, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.00XS | Burn of unspecified degree of head, face, and neck, unspecified site, sequelaCMS: Burn unsp degree of head, face, and neck, unsp site, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.01 Burn of unspecified degree of ear [any part, except ear drum] | ||||
| T20.011 Burn of unspecified degree of right ear [any part, except ear drum] | ||||
| T20.011A | Burn of unspecified degree of right ear [any part, except ear drum], initial encounterCMS: Burn of unspecified degree of right ear, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.011D | Burn of unspecified degree of right ear [any part, except ear drum], subsequent encounterCMS: Burn of unspecified degree of right ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.011S | Burn of unspecified degree of right ear [any part, except ear drum], sequelaCMS: Burn of unspecified degree of right ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.012 Burn of unspecified degree of left ear [any part, except ear drum] | ||||
| T20.012A | Burn of unspecified degree of left ear [any part, except ear drum], initial encounterCMS: Burn of unspecified degree of left ear, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.012D | Burn of unspecified degree of left ear [any part, except ear drum], subsequent encounterCMS: Burn of unspecified degree of left ear, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.012S | Burn of unspecified degree of left ear [any part, except ear drum], sequelaCMS: Burn of unspecified degree of left ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.019 Burn of unspecified degree of unspecified ear [any part, except ear drum] | ||||
| T20.019A | Burn of unspecified degree of unspecified ear [any part, except ear drum], initial encounterCMS: Burn of unspecified degree of unspecified ear, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.019D | Burn of unspecified degree of unspecified ear [any part, except ear drum], subsequent encounterCMS: Burn of unspecified degree of unspecified ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.019S | Burn of unspecified degree of unspecified ear [any part, except ear drum], sequelaCMS: Burn of unspecified degree of unspecified ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.02 Burn of unspecified degree of lip(s) | ||||
| T20.02XA | Burn of unspecified degree of lip(s), initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.02XD | Burn of unspecified degree of lip(s), subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.02XS | Burn of unspecified degree of lip(s), sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.03 Burn of unspecified degree of chin | ||||
| T20.03XA | Burn of unspecified degree of chin, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.03XD | Burn of unspecified degree of chin, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.03XS | Burn of unspecified degree of chin, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.04 Burn of unspecified degree of nose (septum) | ||||
| T20.04XA | Burn of unspecified degree of nose (septum), initial encounterCMS: Burn of unspecified degree of nose (septum), init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.04XD | Burn of unspecified degree of nose (septum), subsequent encounterCMS: Burn of unspecified degree of nose (septum), subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.04XS | Burn of unspecified degree of nose (septum), sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.05 Burn of unspecified degree of scalp [any part] | ||||
| T20.05XA | Burn of unspecified degree of scalp [any part], initial encounterCMS: Burn of unspecified degree of scalp, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.05XD | Burn of unspecified degree of scalp [any part], subsequent encounterCMS: Burn of unspecified degree of scalp, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.05XS | Burn of unspecified degree of scalp [any part], sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.06 Burn of unspecified degree of forehead and cheek | ||||
| T20.06XA | Burn of unspecified degree of forehead and cheek, initial encounterCMS: Burn of unsp degree of forehead and cheek, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.06XD | Burn of unspecified degree of forehead and cheek, subsequent encounterCMS: Burn of unsp degree of forehead and cheek, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.06XS | Burn of unspecified degree of forehead and cheek, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.07 Burn of unspecified degree of neck | ||||
| T20.07XA | Burn of unspecified degree of neck, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.07XD | Burn of unspecified degree of neck, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.07XS | Burn of unspecified degree of neck, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.09 Burn of unspecified degree of multiple sites of head, face, and neck | ||||
| T20.09XA | Burn of unspecified degree of multiple sites of head, face, and neck, initial encounterCMS: Burn of unsp deg mult sites of head, face, and neck, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.09XD | Burn of unspecified degree of multiple sites of head, face, and neck, subsequent encounterCMS: Burn of unsp deg mult sites of head, face, and neck, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.09XS | Burn of unspecified degree of multiple sites of head, face, and neck, sequelaCMS: Burn of unsp deg mult sites of head, face, and neck, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.1 Burn of first degree of head, face, and neck | ||||
| T20.10 Burn of first degree of head, face, and neck, unspecified site | ||||
| T20.10XA | Burn of first degree of head, face, and neck, unspecified site, initial encounterCMS: Burn first degree of head, face, and neck, unsp site, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.10XD | Burn of first degree of head, face, and neck, unspecified site, subsequent encounterCMS: Burn first degree of head, face, and neck, unsp site, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.10XS | Burn of first degree of head, face, and neck, unspecified site, sequelaCMS: Burn first degree of head, face, and neck, unsp site, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.11 Burn of first degree of ear [any part, except ear drum] | ||||
| T20.111 Burn of first degree of right ear [any part, except ear drum] | ||||
| T20.111A | Burn of first degree of right ear [any part, except ear drum], initial encounterCMS: Burn of first degree of right ear, initial encounter | Can lead a claim | A | None |
| T20.111D | Burn of first degree of right ear [any part, except ear drum], subsequent encounterCMS: Burn of first degree of right ear, subsequent encounter | Can lead a claim | A | None |
| T20.111S | Burn of first degree of right ear [any part, except ear drum], sequelaCMS: Burn of first degree of right ear, sequela | Can lead a claim | A | None |
| T20.112 Burn of first degree of left ear [any part, except ear drum] | ||||
| T20.112A | Burn of first degree of left ear [any part, except ear drum], initial encounterCMS: Burn of first degree of left ear, initial encounter | Can lead a claim | A | None |
| T20.112D | Burn of first degree of left ear [any part, except ear drum], subsequent encounterCMS: Burn of first degree of left ear, subsequent encounter | Can lead a claim | A | None |
| T20.112S | Burn of first degree of left ear [any part, except ear drum], sequelaCMS: Burn of first degree of left ear, sequela | Can lead a claim | A | None |
| T20.119 Burn of first degree of unspecified ear [any part, except ear drum] | ||||
| T20.119A | Burn of first degree of unspecified ear [any part, except ear drum], initial encounterCMS: Burn of first degree of unspecified ear, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.119D | Burn of first degree of unspecified ear [any part, except ear drum], subsequent encounterCMS: Burn of first degree of unspecified ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.119S | Burn of first degree of unspecified ear [any part, except ear drum], sequelaCMS: Burn of first degree of unspecified ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.12 Burn of first degree of lip(s) | ||||
| T20.12XA | Burn of first degree of lip(s), initial encounter | Can lead a claim | A | None |
| T20.12XD | Burn of first degree of lip(s), subsequent encounter | Can lead a claim | A | None |
| T20.12XS | Burn of first degree of lip(s), sequela | Can lead a claim | A | None |
| T20.13 Burn of first degree of chin | ||||
| T20.13XA | Burn of first degree of chin, initial encounter | Can lead a claim | A | None |
| T20.13XD | Burn of first degree of chin, subsequent encounter | Can lead a claim | A | None |
| T20.13XS | Burn of first degree of chin, sequela | Can lead a claim | A | None |
| T20.14 Burn of first degree of nose (septum) | ||||
| T20.14XA | Burn of first degree of nose (septum), initial encounter | Can lead a claim | A | None |
| T20.14XD | Burn of first degree of nose (septum), subsequent encounter | Can lead a claim | A | None |
| T20.14XS | Burn of first degree of nose (septum), sequela | Can lead a claim | A | None |
| T20.15 Burn of first degree of scalp [any part] | ||||
| T20.15XA | Burn of first degree of scalp [any part], initial encounter | Can lead a claim | A | None |
| T20.15XD | Burn of first degree of scalp [any part], subsequent encounterCMS: Burn of first degree of scalp, subsequent encounter | Can lead a claim | A | None |
| T20.15XS | Burn of first degree of scalp [any part], sequela | Can lead a claim | A | None |
| T20.16 Burn of first degree of forehead and cheek | ||||
| T20.16XA | Burn of first degree of forehead and cheek, initial encounterCMS: Burn of first degree of forehead and cheek, init encntr | Can lead a claim | A | None |
| T20.16XD | Burn of first degree of forehead and cheek, subsequent encounterCMS: Burn of first degree of forehead and cheek, subs encntr | Can lead a claim | A | None |
| T20.16XS | Burn of first degree of forehead and cheek, sequela | Can lead a claim | A | None |
| T20.17 Burn of first degree of neck | ||||
| T20.17XA | Burn of first degree of neck, initial encounter | Can lead a claim | A | None |
| T20.17XD | Burn of first degree of neck, subsequent encounter | Can lead a claim | A | None |
| T20.17XS | Burn of first degree of neck, sequela | Can lead a claim | A | None |
| T20.19 Burn of first degree of multiple sites of head, face, and neck | ||||
| T20.19XA | Burn of first degree of multiple sites of head, face, and neck, initial encounterCMS: Burn of first deg mult sites of head, face, and neck, init | Can lead a claim | A | None |
| T20.19XD | Burn of first degree of multiple sites of head, face, and neck, subsequent encounterCMS: Burn of first deg mult sites of head, face, and neck, subs | Can lead a claim | A | None |
| T20.19XS | Burn of first degree of multiple sites of head, face, and neck, sequelaCMS: Burn first deg mult sites of head, face, and neck, sequela | Can lead a claim | A | None |
| T20.2 Burn of second degree of head, face, and neck | ||||
| T20.20 Burn of second degree of head, face, and neck, unspecified site | ||||
| T20.20XA | Burn of second degree of head, face, and neck, unspecified site, initial encounterCMS: Burn second degree of head, face, and neck, unsp site, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.20XD | Burn of second degree of head, face, and neck, unspecified site, subsequent encounterCMS: Burn second degree of head, face, and neck, unsp site, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.20XS | Burn of second degree of head, face, and neck, unspecified site, sequelaCMS: Burn second degree of head, face, and neck, unsp site, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.21 Burn of second degree of ear [any part, except ear drum] | ||||
| T20.211 Burn of second degree of right ear [any part, except ear drum] | ||||
| T20.211A | Burn of second degree of right ear [any part, except ear drum], initial encounterCMS: Burn of second degree of right ear, initial encounter | Can lead a claim | C | None |
| T20.211D | Burn of second degree of right ear [any part, except ear drum], subsequent encounterCMS: Burn of second degree of right ear, subsequent encounter | Can lead a claim | C | None |
| T20.211S | Burn of second degree of right ear [any part, except ear drum], sequelaCMS: Burn of second degree of right ear, sequela | Can lead a claim | C | None |
| T20.212 Burn of second degree of left ear [any part, except ear drum] | ||||
| T20.212A | Burn of second degree of left ear [any part, except ear drum], initial encounterCMS: Burn of second degree of left ear, initial encounter | Can lead a claim | C | None |
| T20.212D | Burn of second degree of left ear [any part, except ear drum], subsequent encounterCMS: Burn of second degree of left ear, subsequent encounter | Can lead a claim | C | None |
| T20.212S | Burn of second degree of left ear [any part, except ear drum], sequelaCMS: Burn of second degree of left ear, sequela | Can lead a claim | C | None |
| T20.219 Burn of second degree of unspecified ear [any part, except ear drum] | ||||
| T20.219A | Burn of second degree of unspecified ear [any part, except ear drum], initial encounterCMS: Burn of second degree of unspecified ear, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.219D | Burn of second degree of unspecified ear [any part, except ear drum], subsequent encounterCMS: Burn of second degree of unspecified ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.219S | Burn of second degree of unspecified ear [any part, except ear drum], sequelaCMS: Burn of second degree of unspecified ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.22 Burn of second degree of lip(s) | ||||
| T20.22XA | Burn of second degree of lip(s), initial encounter | Can lead a claim | C | None |
| T20.22XD | Burn of second degree of lip(s), subsequent encounter | Can lead a claim | C | None |
| T20.22XS | Burn of second degree of lip(s), sequela | Can lead a claim | C | None |
| T20.23 Burn of second degree of chin | ||||
| T20.23XA | Burn of second degree of chin, initial encounter | Can lead a claim | C | None |
| T20.23XD | Burn of second degree of chin, subsequent encounter | Can lead a claim | C | None |
| T20.23XS | Burn of second degree of chin, sequela | Can lead a claim | C | None |
| T20.24 Burn of second degree of nose (septum) | ||||
| T20.24XA | Burn of second degree of nose (septum), initial encounter | Can lead a claim | C | None |
| T20.24XD | Burn of second degree of nose (septum), subsequent encounter | Can lead a claim | C | None |
| T20.24XS | Burn of second degree of nose (septum), sequela | Can lead a claim | C | None |
| T20.25 Burn of second degree of scalp [any part] | ||||
| T20.25XA | Burn of second degree of scalp [any part], initial encounter | Can lead a claim | C | None |
| T20.25XD | Burn of second degree of scalp [any part], subsequent encounterCMS: Burn of second degree of scalp, subsequent encounter | Can lead a claim | C | None |
| T20.25XS | Burn of second degree of scalp [any part], sequela | Can lead a claim | C | None |
| T20.26 Burn of second degree of forehead and cheek | ||||
| T20.26XA | Burn of second degree of forehead and cheek, initial encounterCMS: Burn of second degree of forehead and cheek, init encntr | Can lead a claim | C | None |
| T20.26XD | Burn of second degree of forehead and cheek, subsequent encounterCMS: Burn of second degree of forehead and cheek, subs encntr | Can lead a claim | C | None |
| T20.26XS | Burn of second degree of forehead and cheek, sequela | Can lead a claim | C | None |
| T20.27 Burn of second degree of neck | ||||
| T20.27XA | Burn of second degree of neck, initial encounter | Can lead a claim | C | None |
| T20.27XD | Burn of second degree of neck, subsequent encounter | Can lead a claim | C | None |
| T20.27XS | Burn of second degree of neck, sequela | Can lead a claim | C | None |
| T20.29 Burn of second degree of multiple sites of head, face, and neck | ||||
| T20.29XA | Burn of second degree of multiple sites of head, face, and neck, initial encounterCMS: Burn of 2nd deg mul sites of head, face, and neck, init | Can lead a claim | C | None |
| T20.29XD | Burn of second degree of multiple sites of head, face, and neck, subsequent encounterCMS: Burn of 2nd deg mul sites of head, face, and neck, subs | Can lead a claim | C | None |
| T20.29XS | Burn of second degree of multiple sites of head, face, and neck, sequelaCMS: Burn of 2nd deg mul sites of head, face, and neck, sequela | Can lead a claim | C | None |
| T20.3 Burn of third degree of head, face, and neck | ||||
| T20.30 Burn of third degree of head, face, and neck, unspecified site | ||||
| T20.30XA | Burn of third degree of head, face, and neck, unspecified site, initial encounterCMS: Burn third degree of head, face, and neck, unsp site, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.30XD | Burn of third degree of head, face, and neck, unspecified site, subsequent encounterCMS: Burn third degree of head, face, and neck, unsp site, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.30XS | Burn of third degree of head, face, and neck, unspecified site, sequelaCMS: Burn third degree of head, face, and neck, unsp site, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.31 Burn of third degree of ear [any part, except ear drum] | ||||
| T20.311 Burn of third degree of right ear [any part, except ear drum] | ||||
| T20.311A | Burn of third degree of right ear [any part, except ear drum], initial encounterCMS: Burn of third degree of right ear, initial encounter | Can lead a claim | C | None |
| T20.311D | Burn of third degree of right ear [any part, except ear drum], subsequent encounterCMS: Burn of third degree of right ear, subsequent encounter | Can lead a claim | C | None |
| T20.311S | Burn of third degree of right ear [any part, except ear drum], sequelaCMS: Burn of third degree of right ear, sequela | Can lead a claim | C | None |
| T20.312 Burn of third degree of left ear [any part, except ear drum] | ||||
| T20.312A | Burn of third degree of left ear [any part, except ear drum], initial encounterCMS: Burn of third degree of left ear, initial encounter | Can lead a claim | C | None |
| T20.312D | Burn of third degree of left ear [any part, except ear drum], subsequent encounterCMS: Burn of third degree of left ear, subsequent encounter | Can lead a claim | C | None |
| T20.312S | Burn of third degree of left ear [any part, except ear drum], sequelaCMS: Burn of third degree of left ear, sequela | Can lead a claim | C | None |
| T20.319 Burn of third degree of unspecified ear [any part, except ear drum] | ||||
| T20.319A | Burn of third degree of unspecified ear [any part, except ear drum], initial encounterCMS: Burn of third degree of unspecified ear, initial encounter | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| T20.319D | Burn of third degree of unspecified ear [any part, except ear drum], subsequent encounterCMS: Burn of third degree of unspecified ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.319S | Burn of third degree of unspecified ear [any part, except ear drum], sequelaCMS: Burn of third degree of unspecified ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.32 Burn of third degree of lip(s) | ||||
| T20.32XA | Burn of third degree of lip(s), initial encounter | Can lead a claim | C | None |
| T20.32XD | Burn of third degree of lip(s), subsequent encounter | Can lead a claim | C | None |
| T20.32XS | Burn of third degree of lip(s), sequela | Can lead a claim | C | None |
| T20.33 Burn of third degree of chin | ||||
| T20.33XA | Burn of third degree of chin, initial encounter | Can lead a claim | C | None |
| T20.33XD | Burn of third degree of chin, subsequent encounter | Can lead a claim | C | None |
| T20.33XS | Burn of third degree of chin, sequela | Can lead a claim | C | None |
| T20.34 Burn of third degree of nose (septum) | ||||
| T20.34XA | Burn of third degree of nose (septum), initial encounter | Can lead a claim | C | None |
| T20.34XD | Burn of third degree of nose (septum), subsequent encounter | Can lead a claim | C | None |
| T20.34XS | Burn of third degree of nose (septum), sequela | Can lead a claim | C | None |
| T20.35 Burn of third degree of scalp [any part] | ||||
| T20.35XA | Burn of third degree of scalp [any part], initial encounter | Can lead a claim | C | None |
| T20.35XD | Burn of third degree of scalp [any part], subsequent encounterCMS: Burn of third degree of scalp, subsequent encounter | Can lead a claim | C | None |
| T20.35XS | Burn of third degree of scalp [any part], sequela | Can lead a claim | C | None |
| T20.36 Burn of third degree of forehead and cheek | ||||
| T20.36XA | Burn of third degree of forehead and cheek, initial encounterCMS: Burn of third degree of forehead and cheek, init encntr | Can lead a claim | C | None |
| T20.36XD | Burn of third degree of forehead and cheek, subsequent encounterCMS: Burn of third degree of forehead and cheek, subs encntr | Can lead a claim | C | None |
| T20.36XS | Burn of third degree of forehead and cheek, sequela | Can lead a claim | C | None |
| T20.37 Burn of third degree of neck | ||||
| T20.37XA | Burn of third degree of neck, initial encounter | Can lead a claim | C | None |
| T20.37XD | Burn of third degree of neck, subsequent encounter | Can lead a claim | C | None |
| T20.37XS | Burn of third degree of neck, sequela | Can lead a claim | C | None |
| T20.39 Burn of third degree of multiple sites of head, face, and neck | ||||
| T20.39XA | Burn of third degree of multiple sites of head, face, and neck, initial encounterCMS: Burn of 3rd deg mu sites of head, face, and neck, init | Can lead a claim | C | None |
| T20.39XD | Burn of third degree of multiple sites of head, face, and neck, subsequent encounterCMS: Burn of 3rd deg mu sites of head, face, and neck, subs | Can lead a claim | C | None |
| T20.39XS | Burn of third degree of multiple sites of head, face, and neck, sequelaCMS: Burn of 3rd deg mu sites of head, face, and neck, sequela | Can lead a claim | C | None |
| T20.4 Corrosion of unspecified degree of head, face, and neck | ||||
| T20.40 Corrosion of unspecified degree of head, face, and neck, unspecified site | ||||
| T20.40XA | Corrosion of unspecified degree of head, face, and neck, unspecified site, initial encounterCMS: Corros unsp degree of head, face, and neck, unsp site, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.40XD | Corrosion of unspecified degree of head, face, and neck, unspecified site, subsequent encounterCMS: Corros unsp degree of head, face, and neck, unsp site, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.40XS | Corrosion of unspecified degree of head, face, and neck, unspecified site, sequelaCMS: Corros unsp degree of head, face, and neck, unsp site, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.41 Corrosion of unspecified degree of ear [any part, except ear drum] | ||||
| T20.411 Corrosion of unspecified degree of right ear [any part, except ear drum] | ||||
| T20.411A | Corrosion of unspecified degree of right ear [any part, except ear drum], initial encounterCMS: Corrosion of unspecified degree of right ear, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.411D | Corrosion of unspecified degree of right ear [any part, except ear drum], subsequent encounterCMS: Corrosion of unspecified degree of right ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.411S | Corrosion of unspecified degree of right ear [any part, except ear drum], sequelaCMS: Corrosion of unspecified degree of right ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.412 Corrosion of unspecified degree of left ear [any part, except ear drum] | ||||
| T20.412A | Corrosion of unspecified degree of left ear [any part, except ear drum], initial encounterCMS: Corrosion of unspecified degree of left ear, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.412D | Corrosion of unspecified degree of left ear [any part, except ear drum], subsequent encounterCMS: Corrosion of unspecified degree of left ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.412S | Corrosion of unspecified degree of left ear [any part, except ear drum], sequelaCMS: Corrosion of unspecified degree of left ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.419 Corrosion of unspecified degree of unspecified ear [any part, except ear drum] | ||||
| T20.419A | Corrosion of unspecified degree of unspecified ear [any part, except ear drum], initial encounterCMS: Corrosion of unsp degree of unspecified ear, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.419D | Corrosion of unspecified degree of unspecified ear [any part, except ear drum], subsequent encounterCMS: Corrosion of unsp degree of unspecified ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.419S | Corrosion of unspecified degree of unspecified ear [any part, except ear drum], sequelaCMS: Corrosion of unspecified degree of unspecified ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.42 Corrosion of unspecified degree of lip(s) | ||||
| T20.42XA | Corrosion of unspecified degree of lip(s), initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.42XD | Corrosion of unspecified degree of lip(s), subsequent encounterCMS: Corrosion of unspecified degree of lip(s), subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.42XS | Corrosion of unspecified degree of lip(s), sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.43 Corrosion of unspecified degree of chin | ||||
| T20.43XA | Corrosion of unspecified degree of chin, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.43XD | Corrosion of unspecified degree of chin, subsequent encounterCMS: Corrosion of unspecified degree of chin, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.43XS | Corrosion of unspecified degree of chin, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.44 Corrosion of unspecified degree of nose (septum) | ||||
| T20.44XA | Corrosion of unspecified degree of nose (septum), initial encounterCMS: Corrosion of unsp degree of nose (septum), init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.44XD | Corrosion of unspecified degree of nose (septum), subsequent encounterCMS: Corrosion of unsp degree of nose (septum), subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.44XS | Corrosion of unspecified degree of nose (septum), sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.45 Corrosion of unspecified degree of scalp [any part] | ||||
| T20.45XA | Corrosion of unspecified degree of scalp [any part], initial encounterCMS: Corrosion of unspecified degree of scalp, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.45XD | Corrosion of unspecified degree of scalp [any part], subsequent encounterCMS: Corrosion of unspecified degree of scalp, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.45XS | Corrosion of unspecified degree of scalp [any part], sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.46 Corrosion of unspecified degree of forehead and cheek | ||||
| T20.46XA | Corrosion of unspecified degree of forehead and cheek, initial encounterCMS: Corrosion of unsp degree of forehead and cheek, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.46XD | Corrosion of unspecified degree of forehead and cheek, subsequent encounterCMS: Corrosion of unsp degree of forehead and cheek, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.46XS | Corrosion of unspecified degree of forehead and cheek, sequelaCMS: Corrosion of unsp degree of forehead and cheek, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.47 Corrosion of unspecified degree of neck | ||||
| T20.47XA | Corrosion of unspecified degree of neck, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.47XD | Corrosion of unspecified degree of neck, subsequent encounterCMS: Corrosion of unspecified degree of neck, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.47XS | Corrosion of unspecified degree of neck, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.49 Corrosion of unspecified degree of multiple sites of head, face, and neck | ||||
| T20.49XA | Corrosion of unspecified degree of multiple sites of head, face, and neck, initial encounterCMS: Corros unsp deg mult sites of head, face, and neck, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.49XD | Corrosion of unspecified degree of multiple sites of head, face, and neck, subsequent encounterCMS: Corros unsp deg mult sites of head, face, and neck, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.49XS | Corrosion of unspecified degree of multiple sites of head, face, and neck, sequelaCMS: Corros unsp deg mult sites of head, face, and neck, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.5 Corrosion of first degree of head, face, and neck | ||||
| T20.50 Corrosion of first degree of head, face, and neck, unspecified site | ||||
| T20.50XA | Corrosion of first degree of head, face, and neck, unspecified site, initial encounterCMS: Corros first degree of head, face, and neck, unsp site, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.50XD | Corrosion of first degree of head, face, and neck, unspecified site, subsequent encounterCMS: Corros first degree of head, face, and neck, unsp site, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.50XS | Corrosion of first degree of head, face, and neck, unspecified site, sequelaCMS: Corros first degree of head, face, and neck, unsp site, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.51 Corrosion of first degree of ear [any part, except ear drum] | ||||
| T20.511 Corrosion of first degree of right ear [any part, except ear drum] | ||||
| T20.511A | Corrosion of first degree of right ear [any part, except ear drum], initial encounterCMS: Corrosion of first degree of right ear, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.511D | Corrosion of first degree of right ear [any part, except ear drum], subsequent encounterCMS: Corrosion of first degree of right ear, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.511S | Corrosion of first degree of right ear [any part, except ear drum], sequelaCMS: Corrosion of first degree of right ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.512 Corrosion of first degree of left ear [any part, except ear drum] | ||||
| T20.512A | Corrosion of first degree of left ear [any part, except ear drum], initial encounterCMS: Corrosion of first degree of left ear, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.512D | Corrosion of first degree of left ear [any part, except ear drum], subsequent encounterCMS: Corrosion of first degree of left ear, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.512S | Corrosion of first degree of left ear [any part, except ear drum], sequelaCMS: Corrosion of first degree of left ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.519 Corrosion of first degree of unspecified ear [any part, except ear drum] | ||||
| T20.519A | Corrosion of first degree of unspecified ear [any part, except ear drum], initial encounterCMS: Corrosion of first degree of unspecified ear, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.519D | Corrosion of first degree of unspecified ear [any part, except ear drum], subsequent encounterCMS: Corrosion of first degree of unspecified ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.519S | Corrosion of first degree of unspecified ear [any part, except ear drum], sequelaCMS: Corrosion of first degree of unspecified ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.52 Corrosion of first degree of lip(s) | ||||
| T20.52XA | Corrosion of first degree of lip(s), initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.52XD | Corrosion of first degree of lip(s), subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.52XS | Corrosion of first degree of lip(s), sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.53 Corrosion of first degree of chin | ||||
| T20.53XA | Corrosion of first degree of chin, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.53XD | Corrosion of first degree of chin, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.53XS | Corrosion of first degree of chin, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.54 Corrosion of first degree of nose (septum) | ||||
| T20.54XA | Corrosion of first degree of nose (septum), initial encounterCMS: Corrosion of first degree of nose (septum), init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.54XD | Corrosion of first degree of nose (septum), subsequent encounterCMS: Corrosion of first degree of nose (septum), subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.54XS | Corrosion of first degree of nose (septum), sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.55 Corrosion of first degree of scalp [any part] | ||||
| T20.55XA | Corrosion of first degree of scalp [any part], initial encounterCMS: Corrosion of first degree of scalp, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.55XD | Corrosion of first degree of scalp [any part], subsequent encounterCMS: Corrosion of first degree of scalp, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.55XS | Corrosion of first degree of scalp [any part], sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.56 Corrosion of first degree of forehead and cheek | ||||
| T20.56XA | Corrosion of first degree of forehead and cheek, initial encounterCMS: Corrosion of first degree of forehead and cheek, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.56XD | Corrosion of first degree of forehead and cheek, subsequent encounterCMS: Corrosion of first degree of forehead and cheek, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.56XS | Corrosion of first degree of forehead and cheek, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.57 Corrosion of first degree of neck | ||||
| T20.57XA | Corrosion of first degree of neck, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.57XD | Corrosion of first degree of neck, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.57XS | Corrosion of first degree of neck, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.59 Corrosion of first degree of multiple sites of head, face, and neck | ||||
| T20.59XA | Corrosion of first degree of multiple sites of head, face, and neck, initial encounterCMS: Corros first deg mult sites of head, face, and neck, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.59XD | Corrosion of first degree of multiple sites of head, face, and neck, subsequent encounterCMS: Corros first deg mult sites of head, face, and neck, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.59XS | Corrosion of first degree of multiple sites of head, face, and neck, sequelaCMS: Corros first deg mult sites of head, face, and neck, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.6 Corrosion of second degree of head, face, and neck | ||||
| T20.60 Corrosion of second degree of head, face, and neck, unspecified site | ||||
| T20.60XA | Corrosion of second degree of head, face, and neck, unspecified site, initial encounterCMS: Corros second deg of head, face, and neck, unsp site, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.60XD | Corrosion of second degree of head, face, and neck, unspecified site, subsequent encounterCMS: Corros second deg of head, face, and neck, unsp site, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.60XS | Corrosion of second degree of head, face, and neck, unspecified site, sequelaCMS: Corros second deg of head, face, and neck, unsp site, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.61 Corrosion of second degree of ear [any part, except ear drum] | ||||
| T20.611 Corrosion of second degree of right ear [any part, except ear drum] | ||||
| T20.611A | Corrosion of second degree of right ear [any part, except ear drum], initial encounterCMS: Corrosion of second degree of right ear, initial encounter | Can lead a claim, code first applies | C | None |
| T20.611D | Corrosion of second degree of right ear [any part, except ear drum], subsequent encounterCMS: Corrosion of second degree of right ear, subs encntr | Can lead a claim, code first applies | C | None |
| T20.611S | Corrosion of second degree of right ear [any part, except ear drum], sequelaCMS: Corrosion of second degree of right ear, sequela | Can lead a claim, code first applies | C | None |
| T20.612 Corrosion of second degree of left ear [any part, except ear drum] | ||||
| T20.612A | Corrosion of second degree of left ear [any part, except ear drum], initial encounterCMS: Corrosion of second degree of left ear, initial encounter | Can lead a claim, code first applies | C | None |
| T20.612D | Corrosion of second degree of left ear [any part, except ear drum], subsequent encounterCMS: Corrosion of second degree of left ear, subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.612S | Corrosion of second degree of left ear [any part, except ear drum], sequelaCMS: Corrosion of second degree of left ear, sequela | Can lead a claim, code first applies | C | None |
| T20.619 Corrosion of second degree of unspecified ear [any part, except ear drum] | ||||
| T20.619A | Corrosion of second degree of unspecified ear [any part, except ear drum], initial encounterCMS: Corrosion of second degree of unspecified ear, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.619D | Corrosion of second degree of unspecified ear [any part, except ear drum], subsequent encounterCMS: Corrosion of second degree of unspecified ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.619S | Corrosion of second degree of unspecified ear [any part, except ear drum], sequelaCMS: Corrosion of second degree of unspecified ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.62 Corrosion of second degree of lip(s) | ||||
| T20.62XA | Corrosion of second degree of lip(s), initial encounter | Can lead a claim, code first applies | C | None |
| T20.62XD | Corrosion of second degree of lip(s), subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.62XS | Corrosion of second degree of lip(s), sequela | Can lead a claim, code first applies | C | None |
| T20.63 Corrosion of second degree of chin | ||||
| T20.63XA | Corrosion of second degree of chin, initial encounter | Can lead a claim, code first applies | C | None |
| T20.63XD | Corrosion of second degree of chin, subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.63XS | Corrosion of second degree of chin, sequela | Can lead a claim, code first applies | C | None |
| T20.64 Corrosion of second degree of nose (septum) | ||||
| T20.64XA | Corrosion of second degree of nose (septum), initial encounterCMS: Corrosion of second degree of nose (septum), init encntr | Can lead a claim, code first applies | C | None |
| T20.64XD | Corrosion of second degree of nose (septum), subsequent encounterCMS: Corrosion of second degree of nose (septum), subs encntr | Can lead a claim, code first applies | C | None |
| T20.64XS | Corrosion of second degree of nose (septum), sequela | Can lead a claim, code first applies | C | None |
| T20.65 Corrosion of second degree of scalp [any part] | ||||
| T20.65XA | Corrosion of second degree of scalp [any part], initial encounterCMS: Corrosion of second degree of scalp, initial encounter | Can lead a claim, code first applies | C | None |
| T20.65XD | Corrosion of second degree of scalp [any part], subsequent encounterCMS: Corrosion of second degree of scalp, subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.65XS | Corrosion of second degree of scalp [any part], sequela | Can lead a claim, code first applies | C | None |
| T20.66 Corrosion of second degree of forehead and cheek | ||||
| T20.66XA | Corrosion of second degree of forehead and cheek, initial encounterCMS: Corrosion of second degree of forehead and cheek, init | Can lead a claim, code first applies | C | None |
| T20.66XD | Corrosion of second degree of forehead and cheek, subsequent encounterCMS: Corrosion of second degree of forehead and cheek, subs | Can lead a claim, code first applies | C | None |
| T20.66XS | Corrosion of second degree of forehead and cheek, sequela | Can lead a claim, code first applies | C | None |
| T20.67 Corrosion of second degree of neck | ||||
| T20.67XA | Corrosion of second degree of neck, initial encounter | Can lead a claim, code first applies | C | None |
| T20.67XD | Corrosion of second degree of neck, subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.67XS | Corrosion of second degree of neck, sequela | Can lead a claim, code first applies | C | None |
| T20.69 Corrosion of second degree of multiple sites of head, face, and neck | ||||
| T20.69XA | Corrosion of second degree of multiple sites of head, face, and neck, initial encounterCMS: Corrosion of 2nd deg mul sites of head, face, and neck, init | Can lead a claim, code first applies | C | None |
| T20.69XD | Corrosion of second degree of multiple sites of head, face, and neck, subsequent encounterCMS: Corrosion of 2nd deg mul sites of head, face, and neck, subs | Can lead a claim, code first applies | C | None |
| T20.69XS | Corrosion of second degree of multiple sites of head, face, and neck, sequelaCMS: Corros 2nd deg mul sites of head, face, and neck, sequela | Can lead a claim, code first applies | C | None |
| T20.7 Corrosion of third degree of head, face, and neck | ||||
| T20.70 Corrosion of third degree of head, face, and neck, unspecified site | ||||
| T20.70XA | Corrosion of third degree of head, face, and neck, unspecified site, initial encounterCMS: Corros third degree of head, face, and neck, unsp site, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.70XD | Corrosion of third degree of head, face, and neck, unspecified site, subsequent encounterCMS: Corros third degree of head, face, and neck, unsp site, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.70XS | Corrosion of third degree of head, face, and neck, unspecified site, sequelaCMS: Corros third degree of head, face, and neck, unsp site, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.71 Corrosion of third degree of ear [any part, except ear drum] | ||||
| T20.711 Corrosion of third degree of right ear [any part, except ear drum] | ||||
| T20.711A | Corrosion of third degree of right ear [any part, except ear drum], initial encounterCMS: Corrosion of third degree of right ear, initial encounter | Can lead a claim, code first applies | C | None |
| T20.711D | Corrosion of third degree of right ear [any part, except ear drum], subsequent encounterCMS: Corrosion of third degree of right ear, subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.711S | Corrosion of third degree of right ear [any part, except ear drum], sequelaCMS: Corrosion of third degree of right ear, sequela | Can lead a claim, code first applies | C | None |
| T20.712 Corrosion of third degree of left ear [any part, except ear drum] | ||||
| T20.712A | Corrosion of third degree of left ear [any part, except ear drum], initial encounterCMS: Corrosion of third degree of left ear, initial encounter | Can lead a claim, code first applies | C | None |
| T20.712D | Corrosion of third degree of left ear [any part, except ear drum], subsequent encounterCMS: Corrosion of third degree of left ear, subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.712S | Corrosion of third degree of left ear [any part, except ear drum], sequelaCMS: Corrosion of third degree of left ear, sequela | Can lead a claim, code first applies | C | None |
| T20.719 Corrosion of third degree of unspecified ear [any part, except ear drum] | ||||
| T20.719A | Corrosion of third degree of unspecified ear [any part, except ear drum], initial encounterCMS: Corrosion of third degree of unspecified ear, init encntr | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| T20.719D | Corrosion of third degree of unspecified ear [any part, except ear drum], subsequent encounterCMS: Corrosion of third degree of unspecified ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.719S | Corrosion of third degree of unspecified ear [any part, except ear drum], sequelaCMS: Corrosion of third degree of unspecified ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T20.72 Corrosion of third degree of lip(s) | ||||
| T20.72XA | Corrosion of third degree of lip(s), initial encounter | Can lead a claim, code first applies | C | None |
| T20.72XD | Corrosion of third degree of lip(s), subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.72XS | Corrosion of third degree of lip(s), sequela | Can lead a claim, code first applies | C | None |
| T20.73 Corrosion of third degree of chin | ||||
| T20.73XA | Corrosion of third degree of chin, initial encounter | Can lead a claim, code first applies | C | None |
| T20.73XD | Corrosion of third degree of chin, subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.73XS | Corrosion of third degree of chin, sequela | Can lead a claim, code first applies | C | None |
| T20.74 Corrosion of third degree of nose (septum) | ||||
| T20.74XA | Corrosion of third degree of nose (septum), initial encounterCMS: Corrosion of third degree of nose (septum), init encntr | Can lead a claim, code first applies | C | None |
| T20.74XD | Corrosion of third degree of nose (septum), subsequent encounterCMS: Corrosion of third degree of nose (septum), subs encntr | Can lead a claim, code first applies | C | None |
| T20.74XS | Corrosion of third degree of nose (septum), sequela | Can lead a claim, code first applies | C | None |
| T20.75 Corrosion of third degree of scalp [any part] | ||||
| T20.75XA | Corrosion of third degree of scalp [any part], initial encounterCMS: Corrosion of third degree of scalp, initial encounter | Can lead a claim, code first applies | C | None |
| T20.75XD | Corrosion of third degree of scalp [any part], subsequent encounterCMS: Corrosion of third degree of scalp, subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.75XS | Corrosion of third degree of scalp [any part], sequela | Can lead a claim, code first applies | C | None |
| T20.76 Corrosion of third degree of forehead and cheek | ||||
| T20.76XA | Corrosion of third degree of forehead and cheek, initial encounterCMS: Corrosion of third degree of forehead and cheek, init encntr | Can lead a claim, code first applies | C | None |
| T20.76XD | Corrosion of third degree of forehead and cheek, subsequent encounterCMS: Corrosion of third degree of forehead and cheek, subs encntr | Can lead a claim, code first applies | C | None |
| T20.76XS | Corrosion of third degree of forehead and cheek, sequela | Can lead a claim, code first applies | C | None |
| T20.77 Corrosion of third degree of neck | ||||
| T20.77XA | Corrosion of third degree of neck, initial encounter | Can lead a claim, code first applies | C | None |
| T20.77XD | Corrosion of third degree of neck, subsequent encounter | Can lead a claim, code first applies | C | None |
| T20.77XS | Corrosion of third degree of neck, sequela | Can lead a claim, code first applies | C | None |
| T20.79 Corrosion of third degree of multiple sites of head, face, and neck | ||||
| T20.79XA | Corrosion of third degree of multiple sites of head, face, and neck, initial encounterCMS: Corrosion of 3rd deg mu sites of head, face, and neck, init | Can lead a claim, code first applies | C | None |
| T20.79XD | Corrosion of third degree of multiple sites of head, face, and neck, subsequent encounterCMS: Corrosion of 3rd deg mu sites of head, face, and neck, subs | Can lead a claim, code first applies | C | None |
| T20.79XS | Corrosion of third degree of multiple sites of head, face, and neck, sequelaCMS: Corros 3rd deg mu sites of head, face, and neck, sequela | Can lead a claim, code first applies | C | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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