What is the ICD-10 code for HIV positive?

The ICD-10 code for HIV positive status is Z21 for asymptomatic cases and B20 for cases with HIV-related conditions or AIDS.

When should B20 be used instead of Z21?

Use B20 when the patient has HIV-related conditions or is on antiretroviral therapy, as per 2022 guidelines.

ICD-10 Coding for HIV Positive Status(B20, Z71.7, Z79.899)

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Explore the ICD-10 coding guidelines for HIV positive status, including when to use B20 versus Z21, documentation requirements, and coding pitfalls.

Also known as:

HIV+Human Immunodeficiency Virus PositiveAsymptomatic HIV

Related ICD-10 Code Ranges

Complete code families applicable to HIV Positive Status

A00-B99Primary Range

Certain infectious and parasitic diseases

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
B20	Human immunodeficiency virus [HIV] disease	Use when the patient has an HIV-related condition or AIDS is documented.	CD4 count <200 cells/mm³ Presence of opportunistic infections HIV RNA >100 000 copies/mL
Z21	Asymptomatic human immunodeficiency virus [HIV] infection status	Use when the patient is HIV positive but asymptomatic and has no history of HIV-related conditions.	CD4 count >200 cells/mm³ Undetectable viral load No history of opportunistic infections

Primary ICD-10-CM Codes

Human immunodeficiency virus [HIV] disease

B20Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Asymptomatic human immunodeficiency virus [HIV] infection statusZ21

Human immunodeficiency virus [HIV] diseaseB20

Documentation & Coding Risks

Avoid these common issues when documenting HIV Positive Status.

Failing to update HIV status when a patient develops an HIV-related condition.

Impact

Clinical: Inaccurate patient management., Regulatory: Non-compliance with coding standards., Financial: Potential loss of reimbursement.

Mitigation

Regularly review patient history for any new HIV-related conditions., Ensure documentation reflects current clinical status.

Using Z21 for a patient with a history of an HIV-related condition.

Impact

Reimbursement: Incorrect coding may lead to lower reimbursement., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate patient records and data reporting.

Mitigation

Assign B20 if the patient has any history of HIV-related conditions.

Incorrect Code Assignment

Impact

Using Z21 for patients with a history of HIV-related conditions.

Mitigation

Implement regular training on HIV coding guidelines.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with B20.

Primary Code

B20

Human immunodeficiency virus [HIV] disease

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ICD-10 Coding for HIV Positive Status(B20, Z71.7, Z79.899)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for HIV positive?

When should B20 be used instead of Z21?

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