ICD-10-CM · Chapter 1 · A00-B99
B20 Human immunodeficiency virus [HIV] disease
Includes
- acquired immune deficiency syndrome [AIDS]
- AIDS-related complex [ARC]
- HIV infection, symptomatic
Excludes 1 (cannot be coded together)
- asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
- exposure to HIV virus (Z20.6)
- inconclusive serologic evidence of HIV (R75)
Use Additional Code
- code(s) to identify all manifestations of HIV infection
Code First
- Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit B20 directly on claims and documentation without a subcode extension.
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category B20:
- HIV/AIDS — VIH/SIDA
Last reviewed: September 2026