ICD-10 Diagnosis Code Z21

Asymptomatic human immunodeficiency virus infection status

Diagnosis Code Z21

ICD-10: Z21
Short Description: Asymptomatic human immunodeficiency virus infection status
Long Description: Asymptomatic human immunodeficiency virus [HIV] infection status
This is the 2017 version of the ICD-10-CM diagnosis code Z21

Valid for Submission
The code Z21 is valid for submission for HIPAA-covered transactions.

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)

Information for Medical Professionals


Code Edits
The following edits are applicable to this code:
Questionable admission codes Additional informationCallout TooltipQuestionable admission codes
Some diagnoses are not usually sufficient justification for admission to an acute care hospital. For example, if a patient is given code R030 for elevated blood pressure reading, without diagnosis of hypertension, then the patient would have a questionable admission, since elevated blood pressure reading is not normally sufficient justification for admission to a hospital.


Diagnostic Related Groups
The diagnosis code Z21 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)

  • VIRAL ILLNESS WITH MCC 865
  • VIRAL ILLNESS WITHOUT MCC 866

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • V08 - Asymp hiv infectn status

Synonyms
  • Acquired immunodeficiency syndrome virus infection associated with pregnancy
  • Asymptomatic human immunodeficiency virus infection
  • Asymptomatic human immunodeficiency virus infection
  • Asymptomatic human immunodeficiency virus infection in pregnancy
  • Finding of human immunodeficiency virus status
  • Finding of human immunodeficiency virus status
  • History of asymptomatic human immunodeficiency virus infection
  • Human immunodeficiency virus antibody positive
  • Human immunodeficiency virus carrier
  • Human immunodeficiency virus positive

Index of Diseases and Injuries
References found for the code Z21 in the Index of Diseases and Injuries:


Information for Patients


HIV/AIDS

Also called: AIDS, Acquired immunodeficiency syndrome, HIV, Human immunodeficiency virus

HIV stands for human immunodeficiency virus. It harms your immune system by destroying the white blood cells that fight infection. This puts you at risk for serious infections and certain cancers. AIDS stands for acquired immunodeficiency syndrome. It is the final stage of infection with HIV. Not everyone with HIV develops AIDS.

HIV most often spreads through unprotected sex with an infected person. It may also spread by sharing drug needles or through contact with the blood of an infected person. Women can give it to their babies during pregnancy or childbirth.

The first signs of HIV infection may be swollen glands and flu-like symptoms. These may come and go within two to four weeks. Severe symptoms may not appear until months or years later.

A blood test can tell if you have HIV infection. Your health care provider can do the test, or you can use a home testing kit. Or to find free testing sites, call the national referral hotline at 1-800-CDC-INFO (1-800-232-4636 in English and en español; 1-888-232-6348 - TTY).

There is no cure, but there are many medicines that fight HIV infection and lower the risk of infecting others. People who get early treatment can live with the disease for a long time.

  • AIDS
  • Asymptomatic HIV infection
  • Bloodborne pathogens
  • Condom Fact Sheet in Brief (Centers for Disease Control and Prevention)
  • ELISA/Western blot tests for HIV
  • T-cell count


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