ICD-10 · PDGM grouping
T69 Other effects of reduced temperature
All 27 codes in the T69 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.
Codes in family
27
Can lead a claim
21
Cannot lead a claim
6
What CMS assigns to T69
21 of the 27 codes group to MMTA - Other; 6 are assigned no clinical group. None of the 27 is assigned a comorbidity subgroup. 21 of the 27 can lead a claim.
Every code in T69
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 |
|---|---|---|---|---|
| T69.0 Immersion hand and foot | ||||
| T69.01 Immersion hand | ||||
| T69.011 Immersion hand, right hand | ||||
| T69.011A | Immersion hand, right hand, initial encounter | Can lead a claim | A | None |
| T69.011D | Immersion hand, right hand, subsequent encounter | Can lead a claim | A | None |
| T69.011S | Immersion hand, right hand, sequela | Can lead a claim | A | None |
| T69.012 Immersion hand, left hand | ||||
| T69.012A | Immersion hand, left hand, initial encounter | Can lead a claim | A | None |
| T69.012D | Immersion hand, left hand, subsequent encounter | Can lead a claim | A | None |
| T69.012S | Immersion hand, left hand, sequela | Can lead a claim | A | None |
| T69.019 Immersion hand, unspecified hand | ||||
| T69.019A | Immersion hand, unspecified hand, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T69.019D | Immersion hand, unspecified hand, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T69.019S | Immersion hand, unspecified hand, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T69.02 Immersion foot | ||||
| T69.021 Immersion foot, right foot | ||||
| T69.021A | Immersion foot, right foot, initial encounter | Can lead a claim | A | None |
| T69.021D | Immersion foot, right foot, subsequent encounter | Can lead a claim | A | None |
| T69.021S | Immersion foot, right foot, sequela | Can lead a claim | A | None |
| T69.022 Immersion foot, left foot | ||||
| T69.022A | Immersion foot, left foot, initial encounter | Can lead a claim | A | None |
| T69.022D | Immersion foot, left foot, subsequent encounter | Can lead a claim | A | None |
| T69.022S | Immersion foot, left foot, sequela | Can lead a claim | A | None |
| T69.029 Immersion foot, unspecified foot | ||||
| T69.029A | Immersion foot, unspecified foot, 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 |
| T69.029D | Immersion foot, unspecified foot, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T69.029S | Immersion foot, unspecified foot, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T69.1 Chilblains | ||||
| T69.1XXA | Chilblains, initial encounter | Can lead a claim | A | None |
| T69.1XXD | Chilblains, subsequent encounter | Can lead a claim | A | None |
| T69.1XXS | Chilblains, sequela | Can lead a claim | A | None |
| T69.8 Other specified effects of reduced temperature | ||||
| T69.8XXA | Other specified effects of reduced temperature, initial encounterCMS: Other specified effects of reduced temperature, init encntr | Can lead a claim | A | None |
| T69.8XXD | Other specified effects of reduced temperature, subsequent encounterCMS: Other specified effects of reduced temperature, subs encntr | Can lead a claim | A | None |
| T69.8XXS | Other specified effects of reduced temperature, sequela | Can lead a claim | A | None |
| T69.9 Effect of reduced temperature, unspecified | ||||
| T69.9XXA | Effect of reduced temperature, unspecified, initial encounterCMS: Effect of reduced temperature, unspecified, init encntr | Can lead a claim | A | None |
| T69.9XXD | Effect of reduced temperature, unspecified, subsequent encounterCMS: Effect of reduced temperature, unspecified, subs encntr | Can lead a claim | A | None |
| T69.9XXS | Effect of reduced temperature, unspecified, sequela | Can lead a claim | A | 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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