Diagnosis Code: Z21

Short Description: Asymptomatic human immunodeficiency virus infection status

Long Description: Asymptomatic human immunodeficiency virus [HIV] infection status

The code Z21 is VALID for claim submission

Code Classification:

• Factors influencing health status and contact with health services (Z00–Z99)
  • Persons with potential health hazards related to communicable diseases (Z20-Z29)
    • Asymptomatic human immunodeficiency virus infection status (Z21)
      • Z21 Asymptomatic human immunodeficiency virus infection status

This code is valid for questionable admission codes

Code Version: 2022 ICD-10-CM

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
• Infectious disease of mother complicating pregnancy
• Viral load increased

Diagnostic Related Group(s)

The code Z21 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Viral Illness With Mcc (865)
• 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

Similar Codes

This page was last updated on: 10/1/2023

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