Z21 ASYMPTOMATIC HUMAN IMMUNODEFICIENCY VIRUS INFECTION STATUS

Code Information

  • Diagnosis Code: Z21
  • Short Description: Asymptomatic human immunodeficiency virus infection status
  • Long Description: Asymptomatic human immunodeficiency virus [HIV] infection status
  • Code Version: 2025 ICD-10-CM

The code Z21 is VALID for claim submission

Code Classification

This code is valid for questionable admission codes

Synonyms

  • Analyte not reportable due to high human immunodeficiency virus antibody
  • Asymptomatic human immunodeficiency virus A1 infection
  • Asymptomatic human immunodeficiency virus A2 infection
  • Asymptomatic human immunodeficiency virus infection
  • Asymptomatic human immunodeficiency virus infection
  • Asymptomatic human immunodeficiency virus infection in pregnancy
  • History of asymptomatic human immunodeficiency virus infection
  • HIV CDC stage finding
  • HIV detected
  • Human immunodeficiency virus 2 antibody detected and Human immunodeficiency virus 1 antibody cross-reactivity
  • Human immunodeficiency virus antibody detected
  • Human immunodeficiency virus carrier
  • Human immunodeficiency virus Centers for Disease Control and Prevention stage 0
  • Human immunodeficiency virus complicating pregnancy childbirth and the puerperium
  • Human immunodeficiency virus enzyme-linked immunosorbent assay test positive
  • Human immunodeficiency virus I infection
  • Human immunodeficiency virus II infection
  • Increased human immunodeficiency virus viral load
  • Viral load increased

Diagnostic Related Group(s)

The code Z21 is grouped in the following Diagnostic Related Group(s) MS-DRG V42.0

  1. Viral Illness With Mcc (865)
  2. Viral Illness Without Mcc (866)

References to Index of Diseases and Injuries

The code Z21 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • HIV positive NOS
  • Type 1 Excludes Notes:
    • acquired immunodeficiency syndrome (@B20*)
    • contact with human immunodeficiency virus [HIV] (@Z20.6*)
    • exposure to human immunodeficiency virus [HIV] (@Z20.6*)
    • human immunodeficiency virus [HIV] disease (@B20*)
    • 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*-)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
Z21 Right Arrow V08 Asymp hiv infectn status
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

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ICD-10 Code ICD-10 Description
This page was last updated on: 10/1/2024
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