G90.89
Other disorders of autonomic nervous system
Billable FY2026 2025-10-01 → 2026-09-30
FY2025–2027 only
Exclusions 9 never code together
G00-G99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes
No further instructional notes apply.
Index entries leading here 10
- Imbalance R26.89
- Incompetency, incompetent, incompetence
- Disorder (of) — see also Disease
- Compression
- Syndrome — see also Disease
- hand-shoulder G90.89
- Irritable, irritability R45.4
- sympathetic G90.89
- Irritation
- Paralysis, paralytic (complete) (incomplete) G83.9
- Steinbrocker's syndrome G90.89
- Sympatheticotonia G90.89
Alongside this code 1 same parent — G90.8
Medications 5
16 Autonomic Nervous System Diseases drugs 1336 Nervous System Diseases drugs 131 Nervous System Neoplasms drugs 12 Nervous System Malformations drugs 693 Central Nervous System Diseases drugs
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.