ICD-10-CM › G00-G99 › G89-G99 › G90.5 Complex regional pain syndrome I (CRPS I) › G90.52

G90.52

Complex regional pain syndrome I of lower limb

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 4 more specific codes instead:

  • G90.521 Complex regional pain syndrome I of right lower limb
  • G90.522 Complex regional pain syndrome I of left lower limb
  • G90.523 Complex regional pain syndrome I of lower limb, bilateral
  • G90.529 Complex regional pain syndrome I of unspecified lower limb

What has happened to this code

Every change the publisher made, from 2012 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. FY2012 Added to the draft code set draft Complex regional pain syndrome I of lower limb

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.

Codes in the same group

CodeDescriptionStatus
G90.50 Complex regional pain syndrome I, unspecified Valid
G90.51 Complex regional pain syndrome I of upper limb Not billable
G90.59 Complex regional pain syndrome I of other specified site Valid