ICD-10 · PDGM grouping
T75 Other and unspecified effects of other external causes
All 48 codes in the T75 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
48
Can lead a claim
39
Cannot lead a claim
9
What CMS assigns to T75
39 of the 48 codes group to MMTA - Other; 9 are assigned no clinical group. None of the 48 is assigned a comorbidity subgroup. 39 of the 48 can lead a claim.
Every code in T75
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 |
|---|---|---|---|---|
| T75.0 Effects of lightning | ||||
| T75.00 Unspecified effects of lightning | ||||
| T75.00XA | Unspecified effects of lightning, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T75.00XD | Unspecified effects of lightning, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T75.00XS | Unspecified effects of lightning, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T75.01 Shock due to being struck by lightning | ||||
| T75.01XA | Shock due to being struck by lightning, initial encounter | Can lead a claim | A | None |
| T75.01XD | Shock due to being struck by lightning, subsequent encounter | Can lead a claim | A | None |
| T75.01XS | Shock due to being struck by lightning, sequela | Can lead a claim | A | None |
| T75.09 Other effects of lightning | ||||
| T75.09XA | Other effects of lightning, initial encounter | Can lead a claim | A | None |
| T75.09XD | Other effects of lightning, subsequent encounter | Can lead a claim | A | None |
| T75.09XS | Other effects of lightning, sequela | Can lead a claim | A | None |
| T75.1 Unspecified effects of drowning and nonfatal submersion | ||||
| T75.1XXA | Unspecified effects of drowning and nonfatal submersion, initial encounterCMS: Unsp effects of drowning and nonfatal submersion, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T75.1XXD | Unspecified effects of drowning and nonfatal submersion, subsequent encounterCMS: Unsp effects of drowning and nonfatal submersion, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T75.1XXS | Unspecified effects of drowning and nonfatal submersion, sequelaCMS: Unsp effects of drowning and nonfatal submersion, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T75.2 Effects of vibration | ||||
| T75.20 Unspecified effects of vibration | ||||
| T75.20XA | Unspecified effects of vibration, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T75.20XD | Unspecified effects of vibration, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T75.20XS | Unspecified effects of vibration, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| T75.21 Pneumatic hammer syndrome | ||||
| T75.21XA | Pneumatic hammer syndrome, initial encounter | Can lead a claim | A | None |
| T75.21XD | Pneumatic hammer syndrome, subsequent encounter | Can lead a claim | A | None |
| T75.21XS | Pneumatic hammer syndrome, sequela | Can lead a claim | A | None |
| T75.22 Traumatic vasospastic syndrome | ||||
| T75.22XA | Traumatic vasospastic syndrome, initial encounter | Can lead a claim | A | None |
| T75.22XD | Traumatic vasospastic syndrome, subsequent encounter | Can lead a claim | A | None |
| T75.22XS | Traumatic vasospastic syndrome, sequela | Can lead a claim | A | None |
| T75.23 Vertigo from infrasound | ||||
| T75.23XA | Vertigo from infrasound, initial encounter | Can lead a claim | A | None |
| T75.23XD | Vertigo from infrasound, subsequent encounter | Can lead a claim | A | None |
| T75.23XS | Vertigo from infrasound, sequela | Can lead a claim | A | None |
| T75.29 Other effects of vibration | ||||
| T75.29XA | Other effects of vibration, initial encounter | Can lead a claim | A | None |
| T75.29XD | Other effects of vibration, subsequent encounter | Can lead a claim | A | None |
| T75.29XS | Other effects of vibration, sequela | Can lead a claim | A | None |
| T75.3 Motion sickness | ||||
| T75.3XXA | Motion sickness, initial encounter | Can lead a claim | A | None |
| T75.3XXD | Motion sickness, subsequent encounter | Can lead a claim | A | None |
| T75.3XXS | Motion sickness, sequela | Can lead a claim | A | None |
| T75.4 Electrocution | ||||
| T75.4XXA | Electrocution, initial encounter | Can lead a claim | A | None |
| T75.4XXD | Electrocution, subsequent encounter | Can lead a claim | A | None |
| T75.4XXS | Electrocution, sequela | Can lead a claim | A | None |
| T75.8 Other specified effects of external causes | ||||
| T75.81 Effects of abnormal gravitation [G] forces | ||||
| T75.81XA | Effects of abnormal gravitation [G] forces, initial encounterCMS: Effects of abnormal gravitation forces, initial encounter | Can lead a claim | A | None |
| T75.81XD | Effects of abnormal gravitation [G] forces, subsequent encounterCMS: Effects of abnormal gravitation forces, subsequent encounter | Can lead a claim | A | None |
| T75.81XS | Effects of abnormal gravitation [G] forces, sequela | Can lead a claim | A | None |
| T75.82 Effects of weightlessness | ||||
| T75.82XA | Effects of weightlessness, initial encounter | Can lead a claim | A | None |
| T75.82XD | Effects of weightlessness, subsequent encounter | Can lead a claim | A | None |
| T75.82XS | Effects of weightlessness, sequela | Can lead a claim | A | None |
| T75.83 Effects of war theater | ||||
| T75.830 Gulf war illness | ||||
| T75.830A | Gulf war illness, initial encounter | Can lead a claim | A | None |
| T75.830D | Gulf war illness, subsequent encounter | Can lead a claim | A | None |
| T75.830S | Gulf war illness, sequela | Can lead a claim | A | None |
| T75.838 Effects of other war theater | ||||
| T75.838A | Effects of other war theater, initial encounter | Can lead a claim | A | None |
| T75.838D | Effects of other war theater, subsequent encounter | Can lead a claim | A | None |
| T75.838S | Effects of other war theater, sequela | Can lead a claim | A | None |
| T75.89 Other specified effects of external causes | ||||
| T75.89XA | Other specified effects of external causes, initial encounterCMS: Other specified effects of external causes, init encntr | Can lead a claim | A | None |
| T75.89XD | Other specified effects of external causes, subsequent encounterCMS: Other specified effects of external causes, subs encntr | Can lead a claim | A | None |
| T75.89XS | Other specified effects of external causes, 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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