Complex regional pain syndrome I, unspecified

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.

FY2007 Added to the draft code set draft Complex regional pain syndrome, unspecified
FY2010 Draft description revised draft ~~Complex regional pain syndrome, unspecified~~ Complex regional pain syndrome I, unspecified

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 G90 Disorders of autonomic nervous system

Excludes1 - never coded here

dysfunction of the autonomic nervous system due to alcohol (G31.2)

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.

Malfunction
Syndrome > CRPS I
Stargardt's disease
Dysfunction > reflex
Heredodegeneration, macular
Disorder > retina > dystrophy
Dystrophy, dystrophia > reflex
Syndrome > complex regional pain
Macula > degeneration > hereditary
Dystrophy, dystrophia > sympathetic
Retinopathy > pigmentary, congenital
Degeneration, degenerative > tapetoretinal
Degeneration, degenerative > retina > hereditary
Degeneration, degenerative > retina > pigmentary
Degeneration, degenerative > choroid > hereditary
Degeneration, degenerative > eye, macular > congenital or hereditary
Degeneration, degenerative > macula, macular > congenital or hereditary
Syndrome > pain > complex regional I

Codes in the same group

Code	Description	Status
G90.51	Complex regional pain syndrome I of upper limb	Not billable
G90.52	Complex regional pain syndrome I of lower limb	Not billable
G90.59	Complex regional pain syndrome I of other specified site	Valid