Fever presenting with conditions classified elsewhere

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 2010 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.

FY2010 Added to the draft code set draft Fever presenting with conditions classified elsewhere

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 R50 Fever of other and unknown origin

Excludes1 - never coded here

chills without fever (R68.83)
febrile convulsions (R56.0-)
fever of unknown origin during labor (O75.2)
fever of unknown origin in newborn (P81.9)
hypothermia due to illness (R68.0)
malignant hyperthermia due to anesthesia (T88.3)
puerperal pyrexia NOS (O86.4)

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.

Febris, febrile
Fever > viral hemorrhagic
Fever > due to > conditions classified elsewhere
Fever > presenting with conditions classified elsewhere

Codes in the same group

Code	Description	Status
R50.82	Postprocedural fever	Valid
R50.83	Postvaccination fever	Valid
R50.84	Febrile nonhemolytic transfusion reaction	Valid