ICD-10-CM 2027
ICD-10 code for HIV (human immunodeficiency virus disease)
Confirmed by the official ICD-10-CM index entry “dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) › in (due to) › human immunodeficiency virus (hiv) disease”. Page updated September 29, 2026.
About coding HIV
The ICD-10-CM code for HIV (human immunodeficiency virus disease) is B20 (Human immunodeficiency virus [HIV] disease). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on B20.
Don't report B20 together with the conditions in its Excludes1 note: asymptomatic human immunodeficiency virus [HIV] infection status (Z21), exposure to HIV virus (Z20.6) and inconclusive serologic evidence of HIV (R75).
Code first: Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-).
Use an additional code(s) to identify all manifestations of HIV infection.
Related HIV codes
- Z21 Asymptomatic human immunodeficiency virus [HIV] infection status
Don't confuse with (Excludes1 for B20)
Common questions about HIV ICD-10 codes
What is the ICD-10 code for HIV?
- B20 — Human immunodeficiency virus [HIV] disease. More specific codes apply when the documentation supports them: Z21.
What is the ICD-10 code for asymptomatic human immunodeficiency virus [hiv] infection status?
- Z21 — Asymptomatic human immunodeficiency virus [HIV] infection status.
Is B20 billable?
- Yes. B20 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can B20 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict B20 as a principal diagnosis.
Is B20 a CC or MCC?
- B20 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.