ICD-11 to ICD-10 Converter / Chapter 1 Chapter 1: Certain Infectious or Parasitic Diseases ICD-11 to ICD-10 crosswalk mappings for codes 1A00-1H0Z
513 ICD-11 codes in this chapter have ICD-10 crosswalk mappings from the WHO.
Covers infections caused by bacteria, viruses, fungi, and parasites, including gastroenteritis, tuberculosis, HIV, sexually transmitted infections, and viral hepatitis. ICD-11 reorganizes infectious diseases with updated classification of antimicrobial resistance and emerging infections.
1A00-1A0Z: Bacterial intestinal infections 15 codes with ICD-10 mappings
1A00-1A40: Gastroenteritis or colitis of infectious origin 25 codes with ICD-10 mappings
1A60-1A6Z: Syphilis 22 codes with ICD-10 mappings
1A60-1A9Z: Predominantly sexually transmitted infections 21 codes with ICD-10 mappings
1B10-1B1Z: Tuberculosis 19 codes with ICD-10 mappings
1B10-1B2Z: Mycobacterial diseases 4 codes with ICD-10 mappings
1B40-1B42: Acute rheumatic fever 6 codes with ICD-10 mappings
1B40-1B5Z: Certain staphylococcal or streptococcal diseases 5 codes with ICD-10 mappings
1B70-1B7Z: Pyogenic bacterial infections of the skin or subcutaneous tissues 7 codes with ICD-10 mappings
1B90-1B9Z: Certain zoonotic bacterial diseases 19 codes with ICD-10 mappings
1C10-1C4Z: Other bacterial diseases 81 codes with ICD-10 mappings
1C10.0 Pulmonary actinomycosis 1 mapping 1C10.1 Abdominal actinomycosis 1 mapping 1C10.2 Cervicofacial actinomycosis 1 mapping 1C10.Z Actinomycosis, unspecified 4 mappings 1C11.00 Oroya fever 1 mapping 1C11.01 Verruga peruana 1 mapping 1C11.1 Trench fever 1 mapping 1C11.Z Bartonellosis, unspecified 3 mappings 1C12.0 Whooping cough due to Bordetella pertussis 1 mapping 1C12.1 Whooping cough due to Bordetella parapertussis 1 mapping 1C12.Z Whooping cough, unspecified 3 mappings 1C13 Tetanus 1 mapping 1C14 Obstetrical tetanus 1 mapping 1C15 Tetanus neonatorum 1 mapping 1C16 Gas gangrene 1 mapping 1C17.0Z Pharyngeal or tonsillar diphtheria, unspecified 1 mapping 1C17.1 Nasal diphtheria 1 mapping 1C17.2 Laryngeal diphtheria 1 mapping 1C17.3 Cutaneous diphtheria 1 mapping 1C17.Y Other specified diphtheria 1 mapping 1C17.Z Diphtheria, unspecified 2 mappings 1C18 Brazilian purpuric fever 1 mapping 1C19.0 Nonpneumonic Legionnaires' disease 1 mapping 1C19.Z Legionellosis, unspecified 1 mapping 1C1A.0 Cutaneous listeriosis 1 mapping 1C1A.1 Listerial meningitis or meningoencephalitis 1 mapping 1C1A.Z Listeriosis, unspecified 4 mappings 1C1B.0 Pulmonary nocardiosis 1 mapping 1C1B.1 Cutaneous nocardiosis 1 mapping 1C1B.Z Nocardiosis, unspecified 3 mappings 1C1C.0 Meningococcal meningitis 1 mapping 1C1C.1 Waterhouse-Friderichsen syndrome 1 mapping 1C1C.20 Acute meningococcaemia 1 mapping 1C1C.2Y Other specified meningococcaemia 1 mapping 1C1C.2Z Meningococcaemia, unspecified 1 mapping 1C1C.Y Other specified meningococcal disease 1 mapping 1C1C.Z Meningococcal disease, unspecified 3 mappings 1C1D.0 Primary yaws 1 mapping 1C1D.1 Secondary yaws 3 mappings 1C1D.2 Tertiary yaws 2 mappings 1C1D.3 Latent yaws 1 mapping 1C1D.Z Yaws, unspecified 4 mappings 1C1E.0 Primary lesions of pinta 1 mapping 1C1E.1 Intermediate lesions of pinta 1 mapping 1C1E.2 Late lesions of pinta 1 mapping 1C1E.3 Mixed lesions of pinta 1 mapping 1C1E.Z Pinta, unspecified 2 mappings 1C1F Endemic non-venereal syphilis 1 mapping 1C1G.13 Lyme arthritis 1 mapping 1C1G.14 Late cutaneous Lyme borreliosis 1 mapping 1C1G.Z Lyme borreliosis, unspecified 1 mapping 1C1H.Z Necrotising ulcerative gingivitis, unspecified 1 mapping 1C1J.0 Tick-borne relapsing fever 1 mapping 1C1J.1 Louse-borne relapsing fever 1 mapping 1C1J.Z Relapsing fever, unspecified 2 mappings 1C20 Chlamydial conjunctivitis 1 mapping 1C21 Chlamydial peritonitis 1 mapping 1C22 Infections due to Chlamydia psittaci 1 mapping 1C23.0 Initial stage of trachoma 1 mapping 1C23.1 Active stage of trachoma 1 mapping 1C23.Z Trachoma, unspecified 3 mappings 1C2Z Diseases due to chlamydiae, unspecified 4 mappings 1C30.0 Epidemic louse-borne typhus fever due to Rickettsia prowazekii 1 mapping 1C30.1 Recrudescent typhus 1 mapping 1C30.2 Typhus fever due to Rickettsia typhi 1 mapping 1C30.3 Typhus fever due to Orientia tsutsugamushi 1 mapping 1C30.Z Typhus fever, unspecified 2 mappings 1C31.0 Spotted fever due to Rickettsia rickettsii 1 mapping 1C31.1 Spotted fever due to Rickettsia conorii 1 mapping 1C31.2 Spotted fever due to Rickettsia sibirica 1 mapping 1C31.3 Spotted fever due to Rickettsia australis 1 mapping 1C31.Z Spotted fever, unspecified 3 mappings 1C32 Rickettsialpox 1 mapping 1C33 Q fever 1 mapping 1C3Z Rickettsioses, unspecified 4 mappings 1C41 Bacterial infection of unspecified site 14 mappings 1C42 Melioidosis 4 mappings 1C43 Actinomycetoma 1 mapping 1C44 Non-pyogenic bacterial infections of the skin 1 mapping 1C45.Z Toxic shock syndrome without specified infectious agent 1 mapping 1C4Z Unspecified bacterial disease 8 mappings 1C60-1C62: Human immunodeficiency virus disease 6 codes with ICD-10 mappings
1C80-1C8Z: Viral infections of the central nervous system 19 codes with ICD-10 mappings
1D00-1D0Z: Non-viral and unspecified infections of the central nervous system 6 codes with ICD-10 mappings
1D20-1D2Z: Dengue 4 codes with ICD-10 mappings
1D40-1D4Z: Certain arthropod-borne viral fevers 14 codes with ICD-10 mappings
1D60-1D6Z: Certain zoonotic viral diseases 9 codes with ICD-10 mappings
1D80-1E1Z: Certain other viral diseases 24 codes with ICD-10 mappings
1E30-1E32: Influenza 3 codes with ICD-10 mappings
1E50-1E5Z: Viral hepatitis 12 codes with ICD-10 mappings
1E70-1E7Z: Infections due to poxvirus 3 codes with ICD-10 mappings
1E70-1F0Z: Viral infections characterised by skin or mucous membrane lesions 33 codes with ICD-10 mappings
1F20-1F2Z: Mycoses 52 codes with ICD-10 mappings
1F20.02 Disseminated aspergillosis 1 mapping 1F20.0Y Invasive aspergillosis of other specified site 1 mapping 1F20.13 Tonsillar aspergillosis 1 mapping 1F20.Z Aspergillosis, unspecified 4 mappings 1F22 Blastomycosis 8 mappings 1F23.0 Candidosis of lips or oral mucous membranes 1 mapping 1F23.10 Vulvovaginal candidosis 1 mapping 1F23.1Z Candidosis of skin or mucous membranes, unspecified 1 mapping 1F23.30 Candida meningitis 1 mapping 1F23.31 Pulmonary candidosis 1 mapping 1F23.Z Candidosis, unspecified 3 mappings 1F24 Chromoblastomycosis 4 mappings 1F25.00 Acute pulmonary coccidioidomycosis 3 mappings 1F25.10 Disseminated coccidioidomycosis 1 mapping 1F25.11 Primary cutaneous coccidioidomycosis 1 mapping 1F25.12 Coccidioides meningitis 1 mapping 1F25.Z Coccidioidomycosis, unspecified 3 mappings 1F27.0 Pulmonary cryptococcosis 1 mapping 1F27.10 Meningitis due to Cryptococcus neoformans 1 mapping 1F27.2 Disseminated cryptococcosis 1 mapping 1F27.Y Other specified cryptococcosis 2 mappings 1F27.Z Cryptococcosis, unspecified 3 mappings 1F28.1 Dermatophytosis of nail 1 mapping 1F28.2 Dermatophytosis of foot 1 mapping 1F28.3 Genitocrural dermatophytosis 1 mapping 1F28.Y Other specified dermatophytosis 2 mappings 1F28.Z Dermatophytosis, unspecified 4 mappings 1F29 Eumycetoma 1 mapping 1F2A.0 Pulmonary histoplasmosis capsulati 1 mapping 1F2A.1 Histoplasmosis due to Histoplasma duboisii 1 mapping 1F2A.Y Other specified histoplasmosis 1 mapping 1F2A.Z Histoplasmosis, unspecified 3 mappings 1F2B Lobomycosis 1 mapping 1F2C Mucormycosis 9 mappings 1F2D.0 Pityriasis versicolor 1 mapping 1F2D.2 White piedra 1 mapping 1F2D.3 Black piedra 1 mapping 1F2D.4 Tinea nigra 1 mapping 1F2D.Z Non-dermatophyte superficial dermatomycoses, unspecified 3 mappings 1F2E.0 Pulmonary paracoccidioidomycosis 1 mapping 1F2E.1 Disseminated paracoccidioidomycosis 1 mapping 1F2E.Z Paracoccidioidomycosis, unspecified 3 mappings 1F2F Phaeohyphomycosis 2 mappings 1F2G.Z Pneumocystosis, unspecified 1 mapping 1F2H Scedosporiosis 1 mapping 1F2J.0 Lymphocutaneous sporotrichosis 1 mapping 1F2J.2 Pulmonary sporotrichosis 1 mapping 1F2J.3 Disseminated sporotrichosis 1 mapping 1F2J.Z Sporotrichosis, unspecified 3 mappings 1F2K Talaromycosis 1 mapping 1F2Y Other specified mycoses 1 mapping 1F2Z Mycoses, unspecified 6 mappings 1F40-1F4Z: Malaria 9 codes with ICD-10 mappings
1F40-1G2Z: Parasitic diseases 88 codes with ICD-10 mappings
1F50 Acanthamoebiasis 1 mapping 1F51.0Z Gambiense trypanosomiasis, unspecified 1 mapping 1F51.1Z Rhodesiense trypanosomiasis, unspecified 1 mapping 1F52 Babesiosis 1 mapping 1F53.1 Acute Chagas disease without heart involvement 1 mapping 1F53.2 Chronic Chagas disease with heart involvement 1 mapping 1F53.3 Chagas disease with digestive system involvement 1 mapping 1F53.Y Other specified Chagas disease 1 mapping 1F53.Z Chagas disease, unspecified 3 mappings 1F54.0 Visceral leishmaniasis 1 mapping 1F54.1 Cutaneous leishmaniasis 1 mapping 1F54.2 Mucocutaneous leishmaniasis 1 mapping 1F54.Z Leishmaniasis, unspecified 2 mappings 1F55 Naegleriasis 1 mapping 1F56 Rhinosporidiosis 1 mapping 1F57.0 Hepatitis due to Toxoplasma gondii 1 mapping 1F57.1 Meningoencephalitis due to Toxoplasma gondii 1 mapping 1F57.2 Pulmonary toxoplasmosis due to Toxoplasma gondii 1 mapping 1F57.3 Eye disease due to Toxoplasma gondii 1 mapping 1F57.Z Toxoplasmosis, unspecified 3 mappings 1F5Z Unspecified protozoal disease 4 mappings 1F60.1 Intestinal angiostrongyliasis 1 mapping 1F60.Z Angiostrongyliasis, unspecified 1 mapping 1F61 Anisakiasis 1 mapping 1F62 Ascariasis 4 mappings 1F63.0 Capillariasis of the intestine 1 mapping 1F64 Dracunculiasis 1 mapping 1F65 Enterobiasis 1 mapping 1F66.0 Loiasis 1 mapping 1F66.1 Mansonelliasis 1 mapping 1F66.30 Filariasis due to Wuchereria bancrofti 1 mapping 1F66.31 Filariasis due to Brugia malayi 1 mapping 1F66.32 Filariasis due to Brugia timori 1 mapping 1F66.Z Filariasis, unspecified 3 mappings 1F67 Gnathostomiasis 1 mapping 1F68.1 Necatoriasis 1 mapping 1F68.Z Hookworm diseases, unspecified 4 mappings 1F6A.Z Onchocerciasis, unspecified 1 mapping 1F6B Strongyloidiasis 5 mappings 1F6C Syngamosis 1 mapping 1F6D Toxocariasis 1 mapping 1F6E Trichinosis 1 mapping 1F6F Trichostrongyliasis 1 mapping 1F6G Trichuriasis 1 mapping 1F70.0Z Cysticercosis of central nervous system, unspecified 1 mapping 1F70.1 Cysticercosis of eye 1 mapping 1F70.Z Cysticercosis, unspecified 3 mappings 1F71 Diphyllobothriasis 1 mapping 1F72 Dipylidiasis 1 mapping 1F73.0 Echinococcus infection of liver 3 mappings 1F73.1 Echinococcus infection of lung 1 mapping 1F73.2 Echinococcus infection of bone 1 mapping 1F73.Z Echinococcosis, unspecified 6 mappings 1F74 Hymenolepiasis 1 mapping 1F75 Sparganosis 1 mapping 1F76.0 Taeniasis due to Taenia solium 1 mapping 1F76.1 Taeniasis due to Taenia saginata 1 mapping 1F76.Z Taeniasis, unspecified 2 mappings 1F7Z Diseases due to cestodes, unspecified 4 mappings 1F80 Clonorchiasis 1 mapping 1F81 Dicrocoeliasis 1 mapping 1F82 Fascioliasis 1 mapping 1F83 Fasciolopsiasis 1 mapping 1F84 Opisthorchiasis 1 mapping 1F85 Paragonimiasis 1 mapping 1F86.0 Schistosomiasis due to Schistosoma haematobium 2 mappings 1F86.1 Schistosomiasis due to Schistosoma mansoni 1 mapping 1F86.2 Schistosomiasis due to Schistosoma japonicum 1 mapping 1F86.4 Cercarial dermatitis 1 mapping 1F86.Z Schistosomiasis due to unspecified or unknown Schistosoma species 3 mappings 1F8Z Diseases due to trematodes, unspecified 3 mappings 1F90.2 Intestinal helminthiasis, unspecified 1 mapping 1F90.Z Infestation by parasitic worms, unspecified 2 mappings 1F9Z Helminthiases, unspecified 8 mappings 1G00.0 Pediculosis capitis 1 mapping 1G00.1 Pediculosis corporis 1 mapping 1G00.Z Pediculosis of unspecified site or type 1 mapping 1G01.0 Ocular myiasis 1 mapping 1G01.1 Nasopharyngeal myiasis 1 mapping 1G01.3 Cutaneous myiasis 2 mappings 1G01.Y Other specified myiasis 1 mapping 1G01.Z Myiasis, unspecified 3 mappings 1G02 External hirudiniasis 1 mapping 1G03 Pthiriasis 1 mapping 1G04.Z Scabies, unspecified 1 mapping 1G05 Tungiasis 1 mapping 1G0Z Infestation by unknown or unspecified ectoparasite 8 mappings 1G2Z Unspecified parasitic diseases 1 mapping 1G40-1G41: Sepsis 2 codes with ICD-10 mappings
1G80-1G8Z: Sequelae of infectious diseases 3 codes with ICD-10 mappings