ICD-10 · PDGM grouping
W93 Exposure to excessive cold of man-made origin
All 18 codes in the W93 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
18
Can lead a claim
0
Cannot lead a claim
18
What CMS assigns to W93
None of the 18 codes is assigned a clinical group. None of the 18 is assigned a comorbidity subgroup. None can lead a claim.
Every code in W93
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 |
|---|---|---|---|---|
| W93.0 Contact with or inhalation of dry ice | ||||
| W93.01 Contact with dry ice | ||||
| W93.01XA | Contact with dry ice, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.01XD | Contact with dry ice, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.01XS | Contact with dry ice, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.02 Inhalation of dry ice | ||||
| W93.02XA | Inhalation of dry ice, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.02XD | Inhalation of dry ice, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.02XS | Inhalation of dry ice, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.1 Contact with or inhalation of liquid air | ||||
| W93.11 Contact with liquid air | ||||
| W93.11XA | Contact with liquid air, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.11XD | Contact with liquid air, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.11XS | Contact with liquid air, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.12 Inhalation of liquid air | ||||
| W93.12XA | Inhalation of liquid air, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.12XD | Inhalation of liquid air, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.12XS | Inhalation of liquid air, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.2 Prolonged exposure in deep freeze unit or refrigerator | ||||
| W93.2XXA | Prolonged exposure in deep freeze unit or refrigerator, initial encounterCMS: Prolonged exposure in deep freeze unit or refrigerator, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.2XXD | Prolonged exposure in deep freeze unit or refrigerator, subsequent encounterCMS: Prolonged exposure in deep freeze unit or refrigerator, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.2XXS | Prolonged exposure in deep freeze unit or refrigerator, sequelaCMS: Prolonged exposure in deep freeze unit or refrig, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.8 Exposure to other excessive cold of man-made origin | ||||
| W93.8XXA | Exposure to other excessive cold of man-made origin, initial encounterCMS: Exposure to oth excessive cold of man-made origin, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.8XXD | Exposure to other excessive cold of man-made origin, subsequent encounterCMS: Exposure to oth excessive cold of man-made origin, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W93.8XXS | Exposure to other excessive cold of man-made origin, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | 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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