Current

R40 — Somnolence, stupor and coma

Part of Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified , block Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46) .

Official Notes

Excludes1

neonatal coma ( P91.5 )

Excludes1

somnolence, stupor and coma in diabetes (E08-E13)

Excludes1

somnolence, stupor and coma in hepatic failure ( K72 .-)

Excludes1

somnolence, stupor and coma in hypoglycemia (nondiabetic) ( E15 )

Child Codes

Referenced By

Official notes on these codes cite R40.

FY 2027 effective October 1, 2026 · CDC NCHS and CMS