ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 1  /  B50-B64

Protozoal diseases (B50-B64)

Excludes1: amebiasis (A06.-)
other protozoal intestinal diseases (A07.-)
B50 Plasmodium falciparum malaria
Includes mixed infections of Plasmodium falciparum with any other Plasmodium species
B50.0 Plasmodium falciparum malaria with cerebral complications
Cerebral malaria NOS
B50.8 Other severe and complicated Plasmodium falciparum malaria
Severe or complicated Plasmodium falciparum malaria NOS
B50.9 Plasmodium falciparum malaria, unspecified
B51 Plasmodium vivax malaria
Includes mixed infections of Plasmodium vivax with other Plasmodium species, except Plasmodium falciparum
Excludes1 plasmodium vivax with Plasmodium falciparum (B50.-)
B51.0 Plasmodium vivax malaria with rupture of spleen
B51.8 Plasmodium vivax malaria with other complications
B51.9 Plasmodium vivax malaria without complication
Plasmodium vivax malaria NOS
B52 Plasmodium malariae malaria
Includes mixed infections of Plasmodium malariae with other Plasmodium species, except Plasmodium falciparum and Plasmodium vivax
Excludes1 Plasmodium falciparum (B50.-)
Plasmodium vivax (B51.-)
B52.0 Plasmodium malariae malaria with nephropathy
B52.8 Plasmodium malariae malaria with other complications
B52.9 Plasmodium malariae malaria without complication
Plasmodium malariae malaria NOS
B53 Other specified malaria
B53.0 Plasmodium ovale malaria
Excludes1 Plasmodium ovale with Plasmodium falciparum (B50.-)
Plasmodium ovale with Plasmodium malariae (B52.-)
Plasmodium ovale with Plasmodium vivax (B51.-)
B53.1 Malaria due to simian plasmodia
Excludes1 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.-)
B53.8 Other malaria, not elsewhere classified
B54 Unspecified malaria
B55 Leishmaniasis
B55.0 Visceral leishmaniasis
Kala-azar
Post-kala-azar dermal leishmaniasis
B55.1 Cutaneous leishmaniasis
B55.2 Mucocutaneous leishmaniasis
B55.9 Leishmaniasis, unspecified
B56 African trypanosomiasis
B56.0 Gambiense trypanosomiasis
Infection due to Trypanosoma brucei gambiense
West African sleeping sickness
B56.1 Rhodesiense trypanosomiasis
East African sleeping sickness
Infection due to Trypanosoma brucei rhodesiense
B56.9 African trypanosomiasis, unspecified
Sleeping sickness NOS
B57 Chagas' disease
Includes American trypanosomiasis
infection due to Trypanosoma cruzi
B57.0 Acute Chagas' disease with heart involvement
Acute Chagas' disease with myocarditis
B57.1 Acute Chagas' disease without heart involvement
Acute Chagas' disease NOS
B57.2 Chagas' disease (chronic) with heart involvement
American trypanosomiasis NOS
Chagas' disease (chronic) NOS
Chagas' disease (chronic) with myocarditis
Trypanosomiasis NOS
B57.3 Chagas' disease (chronic) with digestive system involvement
B57.30 Chagas' disease with digestive system involvement, unspecified
B57.31 Megaesophagus in Chagas' disease
B57.32 Megacolon in Chagas' disease
B57.39 Other digestive system involvement in Chagas' disease
B57.4 Chagas' disease (chronic) with nervous system involvement
B57.40 Chagas' disease with nervous system involvement, unspecified
B57.41 Meningitis in Chagas' disease
B57.42 Meningoencephalitis in Chagas' disease
B57.49 Other nervous system involvement in Chagas' disease
B57.5 Chagas' disease (chronic) with other organ involvement
B58 Toxoplasmosis
Includes infection due to Toxoplasma gondii
Excludes1 congenital toxoplasmosis (P37.1)
B58.0 Toxoplasma oculopathy
B58.00 Toxoplasma oculopathy, unspecified
B58.01 Toxoplasma chorioretinitis
B58.09 Other toxoplasma oculopathy
Toxoplasma uveitis
B58.1 Toxoplasma hepatitis
B58.2 Toxoplasma meningoencephalitis
B58.3 Pulmonary toxoplasmosis
B58.8 Toxoplasmosis with other organ involvement
B58.81 Toxoplasma myocarditis
B58.82 Toxoplasma myositis
B58.83 Toxoplasma tubulo-interstitial nephropathy
Toxoplasma pyelonephritis
B58.89 Toxoplasmosis with other organ involvement
B58.9 Toxoplasmosis, unspecified
B59 Pneumocystosis
Pneumonia due to Pneumocystis carinii
Pneumonia due to Pneumocystis jiroveci
B60 Other protozoal diseases, not elsewhere classified
Excludes1 cryptosporidiosis (A07.2)
intestinal microsporidiosis (A07.8)
isosporiasis (A07.3)
B60.0 Babesiosis
B60.00 Babesiosis, unspecified
Babesiosis due to unspecified Babesia species
Piroplasmosis, unspecified
B60.01 Babesiosis due to Babesia microti
Infection due to B. microti
B60.02 Babesiosis due to Babesia duncani
Infection due to B. duncani and B. duncani-type species
B60.03 Babesiosis due to Babesia divergens
Babesiosis due to Babesia MO-1
Infection due to B. divergens and B. divergens-like strains
B60.09 Other 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
B60.1 Acanthamebiasis
B60.10 Acanthamebiasis, unspecified
B60.11 Meningoencephalitis due to Acanthamoeba (culbertsoni)
B60.12 Conjunctivitis due to Acanthamoeba
B60.13 Keratoconjunctivitis due to Acanthamoeba
nonPrimary Yes
B60.19 Other acanthamebic disease
B60.2 Naegleriasis
Primary amebic meningoencephalitis
B60.8 Other specified protozoal diseases
Microsporidiosis
B64 Unspecified protozoal disease