Protozoal diseases (B50-B64)
B50Plasmodium falciparum malaria
Includes: mixed infections of Plasmodium falciparum with any other Plasmodium species
B50.0Plasmodium falciparum malaria with cerebral complications
› Cerebral malaria NOS
B50.8Other severe and complicated Plasmodium falciparum malaria
› Severe or complicated Plasmodium falciparum malaria NOS
B50.9Plasmodium falciparum malaria, unspecified
B51Plasmodium vivax malaria
Includes: mixed infections of Plasmodium vivax with other Plasmodium species, except Plasmodium falciparum
Excludes 1: plasmodium vivax with Plasmodium falciparum (B50.-)
B51.0Plasmodium vivax malaria with rupture of spleen
B51.8Plasmodium vivax malaria with other complications
B51.9Plasmodium vivax malaria without complication
› Plasmodium vivax malaria NOS
B52Plasmodium malariae malaria
Includes: mixed infections of Plasmodium malariae with other Plasmodium species, except Plasmodium falciparum and Plasmodium vivax
Excludes 1: Plasmodium falciparum (B50.-)
› Plasmodium vivax (B51.-)
B52.0Plasmodium malariae malaria with nephropathy
B52.8Plasmodium malariae malaria with other complications
B52.9Plasmodium malariae malaria without complication
› Plasmodium malariae malaria NOS
B53Other specified malaria
B53.0Plasmodium ovale malaria
Excludes 1: Plasmodium ovale with Plasmodium falciparum (B50.-)
› Plasmodium ovale with Plasmodium malariae (B52.-)
› Plasmodium ovale with Plasmodium vivax (B51.-)
B53.1Malaria due to simian plasmodia
Excludes 1: Malaria due to simian plasmodia with Plasmodium falciparum (B50.-)
› Malaria due to simian plasmodia with Plasmodium malariae (B52.-)
› Malaria due to simian plasmodia with Plasmodium ovale (B53.0)
› Malaria due to simian plasmodia with Plasmodium vivax (B51.-)
B53.8Other malaria, not elsewhere classified
B54Unspecified malaria
B55Leishmaniasis
B55.0Visceral leishmaniasis
› Kala-azar
› Post-kala-azar dermal leishmaniasis
B55.1Cutaneous leishmaniasis
B55.2Mucocutaneous leishmaniasis
B55.9Leishmaniasis, unspecified
B56African trypanosomiasis
B56.0Gambiense trypanosomiasis
› Infection due to Trypanosoma brucei gambiense
› West African sleeping sickness
B56.1Rhodesiense trypanosomiasis
› East African sleeping sickness
› Infection due to Trypanosoma brucei rhodesiense
B56.9African trypanosomiasis, unspecified
› Sleeping sickness NOS
B57Chagas' disease
Includes: American trypanosomiasis
› infection due to Trypanosoma cruzi
B57.0Acute Chagas' disease with heart involvement
› Acute Chagas' disease with myocarditis
B57.1Acute Chagas' disease without heart involvement
› Acute Chagas' disease NOS
B57.2Chagas' disease (chronic) with heart involvement
› American trypanosomiasis NOS
› Chagas' disease (chronic) NOS
› Chagas' disease (chronic) with myocarditis
› Trypanosomiasis NOS
B57.3Chagas' disease (chronic) with digestive system involvement
B57.30Chagas' disease with digestive system involvement, unspecified
B57.31Megaesophagus in Chagas' disease
B57.32Megacolon in Chagas' disease
B57.39Other digestive system involvement in Chagas' disease
B57.4Chagas' disease (chronic) with nervous system involvement
B57.40Chagas' disease with nervous system involvement, unspecified
B57.41Meningitis in Chagas' disease
B57.42Meningoencephalitis in Chagas' disease
B57.49Other nervous system involvement in Chagas' disease
B57.5Chagas' disease (chronic) with other organ involvement
B58Toxoplasmosis
Includes: infection due to Toxoplasma gondii
Excludes 1: congenital toxoplasmosis (P37.1)
B58.0Toxoplasma oculopathy
B58.00Toxoplasma oculopathy, unspecified
B58.01Toxoplasma chorioretinitis
B58.09Other toxoplasma oculopathy
› Toxoplasma uveitis
B58.1Toxoplasma hepatitis
B58.2Toxoplasma meningoencephalitis
B58.3Pulmonary toxoplasmosis
B58.8Toxoplasmosis with other organ involvement
B58.81Toxoplasma myocarditis
B58.82Toxoplasma myositis
B58.83Toxoplasma tubulo-interstitial nephropathy
› Toxoplasma pyelonephritis
B58.89Toxoplasmosis with other organ involvement
B58.9Toxoplasmosis, unspecified
B59Pneumocystosis
› Pneumonia due to Pneumocystis carinii
› Pneumonia due to Pneumocystis jiroveci
B60Other protozoal diseases, not elsewhere classified
Excludes 1: cryptosporidiosis (A07.2)
› intestinal microsporidiosis (A07.8)
› isosporiasis (A07.3)
B60.0Babesiosis
B60.00Babesiosis, unspecified
› Babesiosis due to unspecified Babesia species
› Piroplasmosis, unspecified
B60.01Babesiosis due to Babesia microti
› Infection due to B. microti
B60.02Babesiosis due to Babesia duncani
› Infection due to B. duncani and B. duncani-type species
B60.03Babesiosis due to Babesia divergens
› Babesiosis due to Babesia MO-1
› Infection due to B. divergens and B. divergens-like strains
B60.09Other babesiosis
› Babesiosis due to Babesia KO-1
› Babesiosis due to Babesia venatorum
› Infection due to other Babesia species
› Infection due to other protozoa of the order Piroplasmida
› Other piroplasmosis
B60.1Acanthamebiasis
B60.10Acanthamebiasis, unspecified
B60.11Meningoencephalitis due to Acanthamoeba (culbertsoni)
B60.12Conjunctivitis due to Acanthamoeba
B60.13Keratoconjunctivitis due to Acanthamoeba
B60.19Other acanthamebic disease
B60.2Naegleriasis
› Primary amebic meningoencephalitis
B60.8Other specified protozoal diseases
› Microsporidiosis
B64Unspecified protozoal disease