| B50 | Plasmodium falciparum malaria |
| B50.0 | Plasmodium falciparum malaria with cerebral complications |
| B50.8 | Other severe and complicated Plasmodium falciparum malaria |
| B50.9 | Plasmodium falciparum malaria, unspecified |
| B51 | Plasmodium vivax malaria |
| B51.0 | Plasmodium vivax malaria with rupture of spleen |
| B51.8 | Plasmodium vivax malaria with other complications |
| B51.9 | Plasmodium vivax malaria without complication |
| B52 | Plasmodium malariae malaria |
| B52.0 | Plasmodium malariae malaria with nephropathy |
| B52.8 | Plasmodium malariae malaria with other complications |
| B52.9 | Plasmodium malariae malaria without complication |
| B53 | Other specified malaria |
| B53.0 | Plasmodium ovale malaria |
| B53.1 | Malaria due to simian plasmodia |
| B53.8 | Other malaria, not elsewhere classified |
| B54 | Unspecified malaria |
| B55 | Leishmaniasis |
| B55.0 | Visceral leishmaniasis |
| B55.1 | Cutaneous leishmaniasis |
| B55.2 | Mucocutaneous leishmaniasis |
| B55.9 | Leishmaniasis, unspecified |
| B56 | African trypanosomiasis |
| B56.0 | Gambiense trypanosomiasis |
| B56.1 | Rhodesiense trypanosomiasis |
| B56.9 | African trypanosomiasis, unspecified |
| B57 | Chagas' disease |
| B57.0 | Acute Chagas' disease with heart involvement |
| B57.1 | Acute Chagas' disease without heart involvement |
| B57.2 | Chagas' disease (chronic) with heart involvement |
| 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 |
| B58.0 | Toxoplasma oculopathy |
| B58.00 | Toxoplasma oculopathy, unspecified |
| B58.01 | Toxoplasma chorioretinitis |
| B58.09 | Other toxoplasma oculopathy |
| 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 |
| B58.89 | Toxoplasmosis with other organ involvement |
| B58.9 | Toxoplasmosis, unspecified |
| B59 | Pneumocystosis |
| B60 | Other protozoal diseases, not elsewhere classified |
| B60.0 | Babesiosis |
| 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 |
| B60.19 | Other acanthamebic disease |
| B60.2 | Naegleriasis |
| B60.8 | Other specified protozoal diseases |
| B64 | Unspecified protozoal disease |