ICD Code Z21

ICD code Z21 is asymptomatic human immunodeficiency virus (HIV) infection status.

1. Patient has laboratory confirmation of infection with the relevant virus.

2. Patient is asymptomatic, showing no signs or symptoms related to the infection.

3. No evidence of associated conditions or complications related to the infection.

4. Patient is not receiving treatment specifically for the infection.

5. Patient is not classified as having an advanced or symptomatic stage of the disease.

Relevant CPT codes that may be used to treat ICD code Z21 include:

- 99201–99215 (Office or other outpatient visits)

- 99401–99404 (Preventive medicine counseling)

- 86689 (HIV-1 antibody confirmation)

- 86701–86703 (HIV-1, HIV-2 antibody testing)

- 87389 (HIV-1 antigen detection)

- 87534–87539 (HIV-1 RNA quantification)

- 96372 (Therapeutic, prophylactic, or diagnostic injection)

- 96365–96368 (Intravenous infusion, for therapy/prophylaxis)

- 36415 (Collection of venous blood by venipuncture)

These codes are commonly associated with the management and treatment of patients with ICD code Z21.

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