ICD-10-CM › G00-G99 › G89-G99 › G90 Disorders of autonomic nervous system › G90.B

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

Valid FY2024 onwards.

What has happened to this code

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.

• Leukodystrophy > LMNB1-related autosomal dominant

Codes in the same group

Code	Description	Status
G90.0	Idiopathic peripheral autonomic neuropathy	Not billable
G90.1	Familial dysautonomia [Riley-Day]	Valid
G90.2	Horner's syndrome	Valid
G90.3	Multi-system degeneration of the autonomic nervous system	Valid
G90.4	Autonomic dysreflexia	Valid
G90.5	Complex regional pain syndrome I (CRPS I)	Not billable
G90.8	Other disorders of autonomic nervous system	Not billable
G90.9	Disorder of the autonomic nervous system, unspecified	Valid
G90.A	Postural orthostatic tachycardia syndrome [POTS]	Valid