Z21
Asymptomatic human immunodeficiency virus [HIV] infection status
Billable
Coding Guidelines
Inclusion Terms
- HIV positive NOS
Excludes1 (Mutually Exclusive)
These codes should never be used together with Z21
- B20 - acquired immunodeficiency syndrome (B20)
- Z20.6 - contact with human immunodeficiency virus [HIV] (Z20.6)
- Z20.6 - exposure to human immunodeficiency virus [HIV] (Z20.6)
- B20 - human immunodeficiency virus [HIV] disease (B20)
- R75 - inconclusive laboratory evidence of human immunodeficiency virus [HIV] (R75)
Code First
- Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)
