R40.2442
Other coma, without documented Glasgow coma scale score, or with partial score reported, at arrival to emergency department
- Release
- FY 2027
- Effective
Hierarchy
Where R40.2442 sits in the official hierarchy. Each level is the code it is classified under.
- R40 Somnolence, stupor and coma
- R40.2 Coma
- R40.24 Glasgow coma scale, total score
- R40.244 Parent Other coma, without documented Glasgow coma scale score, or with partial score reported
- R40.2442 This code Other coma, without documented Glasgow coma scale score, or with partial score reported, at arrival to emergency department
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
7th Character
The following appropriate 7th character is to be added to subcategory R40.24-:
Inherited from R40.24 — Glasgow coma scale, total score
7th Character
1 - in the field [EMT or ambulance]
Inherited from R40.24 — Glasgow coma scale, total score
7th Character
2 - at arrival to emergency department
Inherited from R40.24 — Glasgow coma scale, total score
7th Character
4 - 24 hours or more after hospital admission
Inherited from R40.24 — Glasgow coma scale, total score
Version History
How R40.2442 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentOther coma, without documented Glasgow coma scale score, or with partial score reported, at arrival to emergency department
-
FY 2026 Effective
UnchangedOther coma, without documented Glasgow coma scale score, or with partial score reported, at arrival to emergency department
Related Codes
Other codes under R40.244
- R40.2440 Other coma, without documented Glasgow coma scale score, or with partial score reported, unspecified time Billable
- R40.2441 Other coma, without documented Glasgow coma scale score, or with partial score reported, in the field [EMT or ambulance] Billable
- R40.2443 Other coma, without documented Glasgow coma scale score, or with partial score reported, at hospital admission Billable
- R40.2444 Other coma, without documented Glasgow coma scale score, or with partial score reported, 24 hours or more after hospital admission Billable
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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