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ICD-10-CM 2027 · B50-B64

Protozoal diseases

Part of chapter 1, certain infectious and parasitic diseases.

About B50-B64

Block B50-B64 contains 12 categories and 57 billable codes for FY2027. No codes here changed in the FY2027 update. 5 codes are MCCs and 47 are CCs when reported as secondary diagnoses.

B50Plasmodium falciparum malaria

B51Plasmodium vivax malaria

B52Plasmodium malariae malaria

B53Other specified malaria

B54Unspecified malaria

B55Leishmaniasis

B56African trypanosomiasis

B57Chagas' disease

B58Toxoplasmosis

B59Pneumocystosis

B60Other protozoal diseases, not elsewhere classified

B64Unspecified protozoal disease

Block notes

Excludes1
  • amebiasis (A06.-)
  • other protozoal intestinal diseases (A07.-)