Ben has tested positive for HIV but is asymptomatic. What code would be assigned to identify his status?

A) B20
B) Z21
C) Z20.6
D) B97.35

Code Z21, "Asymptomatic human immunodeficiency virus [HIV] infection status" should be assigned to identify Ben's status as he is HIV positive, but is not showing any symptoms of the virus. Code B20 is used to identify symptomatic HIV infection, code Z20.6 is used to identify a contact with and (suspected) exposure to HIV, and code B97.35 is used to identify the presence of coronavirus as the cause of disease.