R40.2
Coma
- Release
- FY 2027
- Effective
Hierarchy
Where R40.2 sits in the official hierarchy. Each level is the code it is classified under.
- R40 Parent Somnolence, stupor and coma
- R40.2 This code Coma
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Excludes1
somnolence, stupor and coma in diabetes (E08-E13)
Inherited from R40 — Somnolence, stupor and coma
Code First
any associated:
Code First
fracture of skull ( S02 .-)
Code First
intracranial injury ( S06 .-)
Note
One code from each subcategory, R40.21-R40.23, is required to complete the coma scale
More Specific Codes
6 codes under R40.2
Version History
How R40.2 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentComa
-
FY 2026 Effective
UnchangedComa
Related Codes
Other codes under R40
Codes whose official notes reference R40.2
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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