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R40

Non-Billable (Header)

Somnolence, stupor and coma

Excludes 1 — Do NOT code together

neonatal coma (P91.5)
somnolence, stupor and coma in diabetes (E08-E13)
somnolence, stupor and coma in hepatic failure (K72.-)
somnolence, stupor and coma in hypoglycemia (nondiabetic) (E15)

Child Codes

R40.0Somnolence

R40.1Stupor

R40.2Coma

R40.3Persistent vegetative state

HCC 202

R40.4Transient alteration of awareness

Code Hierarchy

└R40Somnolence, stupor and coma

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