ICD-10-CM › R00-R99 › R40-R46 › R45 Symptoms and signs involving... › R45.5

R45.5

Hostility

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 Hostility

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 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
R45.0 Nervousness Valid
R45.1 Restlessness and agitation Valid
R45.2 Unhappiness Valid
R45.3 Demoralization and apathy Valid
R45.4 Irritability and anger Valid
R45.6 Violent behavior Valid
R45.7 State of emotional shock and stress, unspecified Valid
R45.8 Other symptoms and signs involving emotional state Not billable