B08.20
BillableExanthema subitum [sixth disease], unspecified
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Exanthema subitum, also known as sixth disease, is a viral infection that primarily affects infants and young children, causing a high fever followed by a characteristic pink rash that appears as the fever subsides. This code is used when the specific type of sixth disease is not specified.
Coding Tips
- •Verify documentation to determine if a more specific sixth disease code (B08.21 or B08.22) can be assigned, as unspecified codes should only be used when the type cannot be determined from the medical record
- •This condition is typically self-limiting and caused by human herpesvirus 6 (HHV-6); ensure the diagnosis is clearly documented before coding to avoid unnecessary specificity
Code Hierarchy
└B08Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified└B08.2Exanthema subitum [sixth disease]└B08.20Exanthema subitum [sixth disease], unspecified
└B08.20Exanthema subitum [sixth disease], unspecified