Family history of human immunodeficiency virus [HIV] disease

This code indicates that a patient has a family history of HIV infection, meaning a blood relative (e.g., parent, sibling, child) has been diagnosed with HIV. It signifies a genetic or familial predisposition or exposure risk, rather than the patient themselves being infected.

This code is used when a patient presents for evaluation, counseling, or screening due to a known family history of HIV. It helps explain the medical necessity for certain services, such as risk assessment, preventative measures, or specific testing, when the patient does not have HIV themselves.

• Always use this code as a secondary diagnosis, never as a primary diagnosis, as it describes a risk factor, not an active condition in the patient.
• Do not use this code if the patient themselves has HIV; instead, use the appropriate B20 code for confirmed HIV infection.
• Ensure documentation clearly states "family history of HIV" to support the use of this code.