ICD-10-CM › G00-G99 › G89-G99 › G codes › G90

G90

Disorders of autonomic nervous system

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 10 more specific codes instead:

  • G90.0 Idiopathic peripheral autonomic neuropathy (also a header)
  • G90.1 Familial dysautonomia [Riley-Day]
  • G90.2 Horner's syndrome
  • G90.3 Multi-system degeneration of the autonomic nervous system
  • G90.4 Autonomic dysreflexia
  • G90.5 Complex regional pain syndrome I (CRPS I) (also a header)
  • G90.8 Other disorders of autonomic nervous system (also a header)
  • G90.9 Disorder of the autonomic nervous system, unspecified
  • G90.A Postural orthostatic tachycardia syndrome [POTS]
  • G90.B LMNB1-related autosomal dominant leukodystrophy

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 Disorders of autonomic nervous system

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.

This code

Excludes1 - never coded here

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