G99..0 Autonomic neuropathy in diseases classified elsewhere

Billable

Excludes 1 (cannot be coded together)

  • diabetic autonomic neuropathy (E08-E13 with .43)

Code First

  • underlying disease, such as:
  • amyloidosis (E85.-)
  • gout (M1A.-, M10.-)
  • hyperthyroidism (E05.-)

Last reviewed: September 2026