Emergency: 119
AMDA-IMIC

G90..3 Multi-system degeneration of the autonomic nervous system

Billable

← G90 — Disorders of autonomic nervous system Chapter 6: G00-G99

Includes

  • Neurogenic orthostatic hypotension [Shy-Drager]

Excludes 1 (cannot be coded together)

  • orthostatic hypotension NOS (I95.1)

Last reviewed: September 2026