ICD-10-CM › R00-R99 › R40-R46 › R40.223 Coma scale, best verbal response,... › R40.2230

R40.2230

Coma scale, best verbal response, inappropriate words, unspecified time

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, inappropriate words, unspecified time

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
R40.2231 Coma scale, best verbal response, inappropriate words, in the field [EMT or ambulance] Valid
R40.2232 Coma scale, best verbal response, inappropriate words, at arrival to emergency department Valid
R40.2233 Coma scale, best verbal response, inappropriate words, at hospital admission Valid
R40.2234 Coma scale, best verbal response, inappropriate words, 24 hours or more after hospital admission Valid