Emergency: 119
AMDA-IMIC

G31..1 Senile degeneration of brain, not elsewhere classified

Billable

← G31 — Other degenerative diseases of nervous system, not elsewhere classified Chapter 6: G00-G99

Excludes 1 (cannot be coded together)

  • Alzheimer's disease (G30.-)
  • senility NOS (R41.81)

Last reviewed: September 2026