R40

The ICD-10-CM code for somnolence, stupor and coma is R40. The full clinical description is "Somnolence, stupor and coma". R40 is a non-billable header code. Use a more specific child code for billing purposes.

ICD-10-CM code R40 represents “Somnolence, stupor and coma”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a non-billable header code. Use a more specific child code for billing purposes.

No, R40 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under R40.

R40 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).

R40 has Excludes1 notes indicating codes that cannot be used together with it, including: neonatal coma (P91.5); somnolence, stupor and coma in diabetes (E08-E13); somnolence, stupor and coma in hepatic failure (K72.-); and 1 more.

R40 has 5 child codes, including: R40.0 (Somnolence), R40.1 (Stupor), R40.2 (Coma), R40.3 (Persistent vegetative state), and 1 more.

R40 is linked to 1 UMLS Concept Unique Identifier: C0495687. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like somnolence, stupor and coma affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

R40 maps to the ICD-11 code: MB20.Y (Other specified symptoms, signs or clinical findings involving consciousness).