ICD-10-CM › R00-R99 › R40-R46 › R40.24 Glasgow coma scale, total score › R40.244
Other coma, without documented Glasgow coma scale score, or with partial score reported
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 5 more specific codes instead:
- R40.2440 Other coma, without documented Glasgow coma scale score, or with partial score reported, unspecified time
- R40.2441 Other coma, without documented Glasgow coma scale score, or with partial score reported, in the field [EMT or ambulance]
- R40.2442 Other coma, without documented Glasgow coma scale score, or with partial score reported, at arrival to emergency department
- R40.2443 Other coma, without documented Glasgow coma scale score, or with partial score reported, at hospital admission
- R40.2444 Other coma, without documented Glasgow coma scale score, or with partial score reported, 24 hours or more after hospital admission
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Other coma, without documented Glasgow coma scale score, or with partial score reported
- FY2017 Stopped being billable
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from R40 Somnolence, stupor and coma
Excludes1 - never coded here
- neonatal coma (P91.5)
- somnolence, stupor and coma in diabetes (E08-E13)
- somnolence, stupor and coma in hepatic failure (K72.-)
- somnolence, stupor and coma in hypoglycemia (nondiabetic) (E15)
Inherited from the R40-R46 section Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
Excludes2 - not included here
- symptoms and signs constituting part of a pattern of mental disorder (F01-F99)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Comatose
- Unconscious
- Symptoms NEC > involving > awareness > coma
- Symptoms NEC > involving > cognitive functions > coma
- Coma > specified NEC, without documented Glasgow coma scale score, or with partial Glasgow coma scale score reported
Codes in the same group
| Code | Description | Status |
|---|---|---|
| R40.241 | Glasgow coma scale score 13-15 | Not billable |
| R40.242 | Glasgow coma scale score 9-12 | Not billable |
| R40.243 | Glasgow coma scale score 3-8 | Not billable |