ICD-10-CM code "G90": Disorders of autonomic nervous system (2024)

Excludes

1. Diseases of the nervous system (G00-G99)

   Type 2certain conditions originating in the perinatal period (P04-P96)

   Type 2certain infectious and parasitic diseases (A00-B99)

   Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

   Type 2congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

   Type 2endocrine, nutritional and metabolic diseases (E00-E88)

   Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

   Type 2neoplasms (C00-D49)

   Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

2. Other disorders of the nervous system (G89-G99)
3. Disorders of autonomic nervous system (G90)

   Type 1dysfunction of the autonomic nervous system due to alcohol (G31.2)

Includes

1. Diseases of the nervous system (G00-G99)
2. Other disorders of the nervous system (G89-G99)
3. Disorders of autonomic nervous system (G90)

Subcategories

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