Billable / Specific Code
ICD-10-CM B20 is the diagnosis code for Human immunodeficiency virus [HIV] disease. This code falls under the section "Human immunodeficiency virus [HIV] disease" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as B20. They are mutually exclusive:
Understanding where B20 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, B20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
B20 is the ICD-10-CM diagnosis code for "Human immunodeficiency virus [HIV] disease". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
B20 is located in Section B20 — "Human immunodeficiency virus [HIV] disease" within Chapter 1 of the ICD-10-CM Tabular List.
Use B20 when the patients documented diagnosis matches "Human immunodeficiency virus [HIV] disease" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Human immunodeficiency virus [HIV] disease is B20.
Yes, B20 can be used as a primary diagnosis code since it is billable and specific.
B20 is in Chapter 1 of the ICD-10-CM Tabular List.
Type 1 Excludes for B20 include: asymptomatic human immunodeficiency virus [HIV] infection status (Z21); exposure to HIV virus (Z20.6); inconclusive serologic evidence of HIV (R75).
Yes, B20 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.