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Home/Diagnosis/ICD-10 Coding for History of Human Immunodeficiency Virus

ICD-10 Coding for History of Human Immunodeficiency Virus

B20
Z21

Complete ICD-10-CM coding and documentation guide for icd-10 coding for history of human immunodeficiency virus includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
History of HIV
HIV Positive Status
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Key Information: ICD-10 Coding for History of Human Immunodeficiency Virus

Essential facts and insights about ICD-10 Coding for History of Human Immunodeficiency Virus

Use ICD-10 code B20 for human immunodeficiency virus [hiv] disease, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Human immunodeficiency virus [HIV] disease

Billable Code
B20
Billable

Diagnostic Criteria

  • • History of opportunistic infections or AIDS-defining conditions.

Applicable To

  • • AIDS
  • • HIV disease

Important Notes

  • • Once B20 is assigned, it is used for all future encounters.

Asymptomatic human immunodeficiency virus [HIV] infection status

Billable Code
Z21
Billable

Diagnostic Criteria

  • • No history of opportunistic infections

Applicable To

  • • HIV positive without symptoms

Important Notes

  • • Z21 should not be used if the term 'AIDS' is documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

O98.7-

HIV complicating pregnancy

Use in conjunction with B20 or Z21 for pregnant patients.

Frequently Asked Questions

What is the ICD-10 code for history of HIV?

The ICD-10 code for a history of HIV with past related illness is B20. Use Z21 for asymptomatic HIV without any history of related illness.

When should B20 be used instead of Z21?

B20 is used when there is any history of HIV-related illness, while Z21 is for asymptomatic cases without such history.

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