ICD-10-CM › R00-R99 › R40-R46 › R40.221 Coma scale, best verbal response, none › R40.2214

R40.2214

Coma scale, best verbal response, none, 24 hours or more after hospital admission

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 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.

  1. FY2007 Added to the draft code set draft Coma scale, best verbal response, none, 24 hours or more after hospital admission

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.

Codes in the same group

CodeDescriptionStatus
R40.2210 Coma scale, best verbal response, none, unspecified time Valid
R40.2211 Coma scale, best verbal response, none, in the field [EMT or ambulance] Valid
R40.2212 Coma scale, best verbal response, none, at arrival to emergency department Valid
R40.2213 Coma scale, best verbal response, none, at hospital admission Valid