B20
Human immunodeficiency virus [HIV] disease
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 8 never code together
B20code
A00-B99chapter
Excludes1
- certain localized infections - see body system-related chapters
Excludes2
- carrier or suspected carrier of infectious disease (Z22.-)Z22.-
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
- infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
- influenza and other acute respiratory infections (J00-J22)J00-J22
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 7
B20code
Includes
- acquired immune deficiency syndrome [AIDS]
- AIDS-related complex [ARC]
- HIV infection, symptomatic
Code first
Use additional code
- code(s) to identify all manifestations of HIV infection
Index entries leading here 10
- Acquired — see also condition
- immunodeficiency syndrome (AIDS) B20
- AIDS (related complex) B20
- ARC (AIDS-related complex) B20
- Human
- Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) F03.90
- Disease, diseased — see also Syndrome
- Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
- due to
- human immunodeficiency virus (HIV) disease B20
- due to
- HIV B20
- Syndrome — see also Disease
- HIV infection, acute B20
- Slim disease (in HIV infection) B20
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.