R40 Non-Billable Code
Somnolence, stupor and coma
Chapter Classification
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Section Detail
R40-R46
Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
Coding Guidelines & Notes
excludes1
- 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)
More Specific Diagnosis Codes
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