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ICD-10-CM 2027

ICD-10 code for HIV test

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Test, tests, testing (for) › HIV (human immunodeficiency virus)”. Page updated September 29, 2026.

About coding HIV test

The official ICD-10-CM index doesn't give a single default code for hiv test; the code depends on the details below.

More specific HIV test codes (official index)

  • nonconclusive (in infants) R75 — Inconclusive laboratory evidence of human immunodeficiency virus [HIV]
  • positive Z21 — Asymptomatic human immunodeficiency virus [HIV] infection status
  • seropositive Z21 — Asymptomatic human immunodeficiency virus [HIV] infection status

Common questions about HIV test ICD-10 codes

What is the ICD-10 code for nonconclusive hiv test?

R75 — Inconclusive laboratory evidence of human immunodeficiency virus [HIV].

What is the ICD-10 code for positive hiv test?

Z21 — Asymptomatic human immunodeficiency virus [HIV] infection status.

What is the ICD-10 code for seropositive hiv test?

Z21 — Asymptomatic human immunodeficiency virus [HIV] infection status.