ICD-10-CM › R00-R99 › R40-R46 › R40.2 Coma › R40.23
R40.23
Coma scale, best motor response
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 6 more specific codes instead:
- R40.231 Coma scale, best motor response, none (also a header)
- R40.232 Coma scale, best motor response, extension (also a header)
- R40.233 Coma scale, best motor response, abnormal flexion (also a header)
- R40.234 Coma scale, best motor response, flexion withdrawal (also a header)
- R40.235 Coma scale, best motor response, localizes pain (also a header)
- R40.236 Coma scale, best motor response, obeys commands (also a header)
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 Coma scale, best motor response
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)
Codes in the same group
| Code | Description | Status |
|---|---|---|
| R40.20 | Unspecified coma | Valid |
| R40.21 | Coma scale, eyes open | Not billable |
| R40.22 | Coma scale, best verbal response | Not billable |
| R40.24 | Glasgow coma scale, total score | Not billable |
| R40.2A | Nontraumatic coma due to underlying condition | Valid |