Headache with orthostatic component, not elsewhere classified

ValidICD-10-CM diagnosis code.

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

Valid FY2021 onwards.

What has happened to this code

Every change the publisher made, from 2021 to now.

FY2021 Added to the code set Headache with orthostatic component, not elsewhere classified

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 R51 Headache

Excludes2 - not included here

atypical face pain (G50.1)
migraine and other headache syndromes (G43-G44)
trigeminal neuralgia (G50.0)

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.

Pain > head
Cephalgia, cephalalgia
Headache > with > positional component NEC
Headache > with > orthostatic component NEC

Codes in the same group

Code	Description	Status
R51.9	Headache, unspecified	Valid