ICD-10-CM › R00-R99 › R40-R46 › R40.21 Coma scale, eyes open › R40.211
Coma scale, eyes open, never
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:
- R40.2110 Coma scale, eyes open, never, unspecified time
- R40.2111 Coma scale, eyes open, never, in the field [EMT or ambulance]
- R40.2112 Coma scale, eyes open, never, at arrival to emergency department
- R40.2113 Coma scale, eyes open, never, at hospital admission
- R40.2114 Coma scale, eyes open, never, 24 hours or more after hospital admission
What has happened to this code
Every change the publisher made, from 2014 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.
- FY2014 Added to the draft code set draft Coma scale, eyes open, never
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 > with > opening of eyes
- Coma > with > opening of eyes > score of > 1
Codes in the same group
| Code | Description | Status |
|---|---|---|
| R40.212 | Coma scale, eyes open, to pain | Not billable |
| R40.213 | Coma scale, eyes open, to sound | Not billable |
| R40.214 | Coma scale, eyes open, spontaneous | Not billable |