R40.4

The ICD-10-CM code for transient alteration of awareness is R40.4. The full clinical description is "Transient alteration of awareness". R40.4 is a billable/specific code that can be used on insurance claims and medical billing.

ICD-10-CM code R40.4 represents “Transient alteration of awareness”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.

Yes, R40.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

R40.4 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).

R40.4 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.

R40.4 maps to 4 SNOMED CT concepts: 443371007, 248223005, 830285008, 1172711009. SNOMED CT is a clinical terminology used in electronic health records.

R40.4 is linked to 1 UMLS Concept Unique Identifier: C0221539. 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 transient alteration of awareness 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.

There is no direct ICD-11 mapping available for R40.4 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.