What is the ICD-10 code for symptomatic HIV?

The ICD-10 code for symptomatic HIV is B20, used when the patient has HIV-related conditions or a history of such conditions.

When should Z21 be used for HIV coding?

Z21 is used for asymptomatic HIV infection status, applicable when the patient has no history of HIV-related conditions.

ICD-10 Coding for HIV Infection(B20, Z79.899)

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Learn about ICD-10 coding for HIV infection, including when to use B20 and Z21, documentation requirements, and common coding pitfalls.

Also known as:

Human Immunodeficiency VirusHIV PositiveAIDS

Related ICD-10 Code Ranges

Complete code families applicable to HIV Infection

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 symptomatic HIV or a history of HIV-related illness.	Provider documentation of AIDS or HIV-related condition CD4 count <200 cells/mm³ Presence of opportunistic infections
Z21	Asymptomatic human immunodeficiency virus [HIV] infection status	Use when the patient is HIV positive but asymptomatic and without history of related conditions.	Provider documentation of asymptomatic HIV status No history of HIV-related conditions

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 Infection.

Failing to update HIV status when conditions change.

Impact

Clinical: Inaccurate treatment plans., Regulatory: Potential audit issues., Financial: Incorrect reimbursement rates.

Mitigation

Regularly review and update patient records., Ensure clear documentation of any new HIV-related conditions.

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

Impact

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

Mitigation

Assign B20 if there is any history of HIV-related conditions.

Incorrect HIV Status Coding

Impact

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

Mitigation

Ensure thorough review of patient history before coding.

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 codes2

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ICD-10 Coding for HIV Infection(B20, Z79.899)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for symptomatic HIV?

When should Z21 be used for HIV coding?

Related condition guides