B20 — Human immunodeficiency virus [HIV] disease
Part of Chapter 1: Certain infectious and parasitic diseases , block Human immunodeficiency virus [HIV] disease (B20) .
Official Notes
Includes
acquired immune deficiency syndrome [AIDS]
Includes
AIDS-related complex [ARC]
Includes
HIV infection, symptomatic
Code First
Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable ( O98.7- )
Use Additional Code
code(s) to identify all manifestations of HIV infection
Excludes1
asymptomatic human immunodeficiency virus [HIV] infection status ( Z21 )
Excludes1
exposure to HIV virus ( Z20.6 )
Excludes1
inconclusive serologic evidence of HIV ( R75 )
Child Codes
B20 has no child codes in the FY 2027 release -- it is used on its own.
Referenced By
Official notes on these codes cite B20.
- B39 Histoplasmosis
- B97.3 Retrovirus as the cause of diseases classified elsewhere
- C46 Kaposi's sarcoma
- D59.31 Infection-associated hemolytic-uremic syndrome Billable
- D61.81 Pancytopenia
- D84.81 Immunodeficiency due to conditions classified elsewhere Billable
- D89.89 Other specified disorders involving the immune mechanism, not elsewhere classified Billable
- E88.14 HIV-associated lipodystrophy Billable
- F02 Dementia in other diseases classified elsewhere
- F06.7 Mild neurocognitive disorder due to known physiological condition
- G05 Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
- I27.21 Secondary pulmonary arterial hypertension Billable
- I88 Nonspecific lymphadenitis
- L04 Acute lymphadenitis
- O98.7 Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium
- R62.5 Other and unspecified lack of expected normal physiological development in childhood
- R75 Inconclusive laboratory evidence of human immunodeficiency virus [HIV] Billable
- Z21 Asymptomatic human immunodeficiency virus [HIV] infection status Billable
FY 2027 effective October 1, 2026 · CDC NCHS and CMS