ICD-10 block

B20–B24 Human immunodeficiency virus [HIV] disease

The block B20–B24 of ICD-10 is titled “Human immunodeficiency virus [HIV] disease”. It is part of Chapter I, Certain infectious and parasitic diseases, and holds 5 groups.

What B20–B24 excludes

Conditions that look similar but belong under another code.

  • asymptomatic human immunodeficiency virus [HIV] infection status Z21
  • complicating pregnancy, childbirth and the puerperium O98.7

Codes in B20–B24

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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