ICD-10 block

B50–B64 Protozoal diseases

The block B50–B64 of ICD-10 is titled “Protozoal diseases”. It is part of Chapter I, Certain infectious and parasitic diseases, and holds 11 groups.

What B50–B64 excludes

Conditions that look similar but belong under another code.

  • amoebiasis A06.-
  • other protozoal intestinal diseases A07.-

Codes in B50–B64

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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