Coma scale, best verbal 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.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 5 more specific codes instead:

R40.221 Coma scale, best verbal response, none (also a header)
R40.222 Coma scale, best verbal response, incomprehensible words (also a header)
R40.223 Coma scale, best verbal response, inappropriate words (also a header)
R40.224 Coma scale, best verbal response, confused conversation (also a header)
R40.225 Coma scale, best verbal response, oriented (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 verbal 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
R40.23	Coma scale, best motor response	Not billable
R40.24	Glasgow coma scale, total score	Not billable
R40.2A	Nontraumatic coma due to underlying condition	Valid