y ICD-10 Chapters A and B: Certain infectious and parasitic diseases y ICD-10 Chapters C and D: Neoplasms, diseases of the blood and blood-forming organs, and certain disorders involving the immune mechanism y ICD-10 Chapter E: Endocrine, nutritional and metabolic diseases y ICD-10 Chapter F: Mental and behavioral disorders y ICD-10 Chapter G: Diseases of the nervous system y ICD-10 Chapter H: Diseases of the eye, adnexa, ear, and mastoid process y ICD-10 Chapter I: Diseases of the circulatory system y ICD-10 Chapter J: Diseases of the respiratory system y ICD-10 Chapter K: Diseases of the digestive system y ICD-10 Chapter L: Diseases of the skin and subcutaneous tissue y ICD-10 Chapter M: Diseases of the musculoskeletal system and connective tissue y ICD-10 Chapter N: Diseases of the genitourinary system y ICD-10 Chapter O: Pregnancy, childbirth and the puerperium y ICD-10 Chapter P: Certain conditions originating in the perinatal period y ICD-10 Chapter Q: Congenital malformations, deformations and chromosomal abnormalities y ICD-10 Chapter R: Symptoms, signs and abnormal clinical and laboratory findings y ICD-10 Chapters S and T: Injury, poisoning and certain other consequences of external causes y ICD-10 Chapters V, W, X, and Y: External causes of morbidity and mortality y ICD-10 Chapter Z: Factors influencing health status and contact with health services List of ICD-10 codes ICD-10 Chapters A and B: Certain infectious and parasitic diseases A00-A79 - Bacterial infections, and other intestinal infectious diseases, and STDs y (A00-A09) Intestinal infectious diseases y (A00) Cholera o (A01) Typhoid and paratyphoid fevers y (A010) Typhoid fever y (A02) Other Salmonella infections y (A03) Shigellosis y (A04) Other bacterial intestinal infections o (A040) Enteropathogenic Escherichia coli infection o (A045) Campylobacter enteritis o (A046) Enteritis due to Yersinia enterocolitica o (A047) Enterocolitis due to Clostridium difficile y (A05) Other bacterial food-borne intoxications o (A050) Food-borne staphylococcal intoxication o (A051) Botulism o (A052) Food-borne Clostridium perfringens (Clostridium welchii) intoxication y (A06) Amoebiasis y (A07) Other protozoal intestinal disease o (A070) Balantidiasis o (A071) Giardiasis (lambliasis) o (A072) Cryptosporidiosis o (A073) Isosporiasis y (A08) Viral and other specified intestinal infections o (A080) Rotavirus enteritis y (A09) Diarrhea and gastroenteritis of presumed infectious origin (A15-A19) Tuberculosis y (A15) Respiratory tuberculosis, bacteriologically and histologically confirmed y (A16) Respiratory tuberculosis, not confirmed bacteriologically or histologically y (A17) Tuberculosis of nervous system y (A18) Tuberculosis of other organs o (A180) Tuberculosis of bones and joints (A18.01) Tuberculosis of spine Pott's disease y (A184) Tuberculosis of skin and subcutaneous tissue y Scrofuloderma y Bazin disease y (A19) Miliary tuberculosis (A20-A28) Certain zoonotic bacterial diseases y (A20) Plague y (A200) Bubonic plague y (A21) Tularemia y (A22) Anthrax y (A23) Brucellosis y (A24) Glanders and melioidosis y (A240) Glanders y (A241) Acute and fulminating melioidosis y (A25) Rat-bite fevers y (A26) Erysipeloid y (A27) Leptospirosis y (A28) Other zoonotic bacterial diseases, not elsewhere classified y (A280) Pasteurellosis y (A281) Cat-scratch disease (A30-A49) Other bacterial diseases y (A30) Leprosy (Hansen's disease) y (A31) Infection due to other mycobacteria y (A32) Listeriosis y (A33) Tetanus neonatorum y (A34) Obstetrical tetanus y (A35) Other tetanus y (A36) Diphtheria y (A37) Whooping cough y (A38) Scarlet fever y (A39) Meningococcal infection y (A390) Meningococcal meningitis y (A391) Waterhouse-Friderichsen syndrome y (A392) Acute meningococcemia y (A393) Chronic meningococcemia y (A394) Meningococcemia, unspecified y (A395) Meningococcal heart disease y (A40) Streptococcal septicemia y (A41) Other septicemia y (A42) Actinomycosis y (A43) Nocardiosis y (A44) Bartonellosis y (A46) Erysipelas y (A48) Other bacterial diseases, not elsewhere classified y (A49) Bacterial infection of unspecified site (A50-A64) Infections with a predominantly sexual mode of transmission y (A50) Congenital syphilis y (A51) Early syphilis y (A52) Late syphilis y (A53) Other and unspecified syphilis y (A54) Gonococcal infection y (A55) Chlamydial lymphogranuloma (venereum) y (A56) Other sexually transmitted chlamydial diseases y (A57) Chancroid y (A58) Granuloma inguinale y (A59) Trichomoniasis y (A60) Anogenital herpesviral (herpes simplex) infection y (A600) Herpesviral infection of genitalia and urogenital tract y (A601) Herpesviral infection of perianal skin and rectum y (A609) Anogenital herpesviral infection, unspecified y (A63) Other predominantly sexually transmitted diseases, not elsewhere classified y (A64) Unspecified sexually transmitted disease (A65-A69) Other spirochaetal diseases y (A65) Nonvenereal syphilis y (A66) Yaws y (A67) Pinta (carate) y (A68) Relapsing fevers y (A69) Other spirochaetal infections y (A690) Necrotizing ulcerative stomatitis y (A691) Other Vincent's infections y (A692) Lyme disease y (A698) Other specified spirochetal infections y (A699) Spirochetal infection, unspecified y (A70-A74) Other diseases caused by chlamydiae y (A70) Chlamydia psittaci infection y Psittacosis y (A71) Trachoma y (A74) Other diseases caused by chlamydiae y (A75-A79) Rickettsioses y (A75) Typhus fever y (A77) Spotted fever (tick-borne rickettsioses) y (A770) Spotted fever due to Rickettsia rickettsii o Rocky Mountain spotted fever y (A771) Spotted fever due to Rickettsia conorii y Boutonneuse fever y (A78) Q fever y (A79) Other rickettsioses A80-B34 - Viral infections (A80-A89) Viral infections of the central nervous system y (A80) Acute poliomyelitis y (A81) Atypical virus infections of central nervous system y (A810) Creutzfeldt-Jakob disease y (A811) Subacute sclerosing panencephalitis y (A812) Progressive multifocal leukoencephalopathy y (A818) Other atypical virus infections of central nervous system o Kuru y (A819) Atypical virus infection of central nervous system, unspecified o Prion disease of central nervous system NOS y (A82) Rabies y (A83) Mosquito-borne viral encephalitis y (A84) Tick-borne viral encephalitis y (A85) Other viral encephalitis, not elsewhere classified y (A858) Other specified viral encephalitis o Encephalitis lethargica y (A86) Unspecified viral encephalitis y (A87) Viral meningitis y (A872) Lymphocytic choriomeningitis y (A88) Other viral infections of central nervous system, not elsewhere classified y (A881) Epidemic vertigo y (A89) Unspecified viral infection of central nervous system (A90-A99) Arthropod-borne viral fevers and viral haemorrhagica fevers y (A90) Dengue fever (classical dengue) y (A91) Dengue hemorrhagic fever y (A92) Other mosquito-borne viral fevers y (A93) Other arthropod-borne viral fevers, not elsewhere classified y (A94) Unspecified arthropod-borne viral fever y (A95) Yellow fever y (A96) Arenaviral hemorrhagic fever y (A961) Machupo hemorrhagic fever o Bolivian hemorrhagic fever y (A962) Lassa fever y (A98) Other viral hemorrhagic fevers, not elsewhere classified y (A980) Crimean-Congo hemorrhagic fever y (A981) Omsk hemorrhagic fever y (A982) Kyasanur Forest disease y (A983) Marburg virus disease y (A984) Ebola virus disease y (A985) Hemorrhagic fever with renal syndrome y (A99) Unspecified viral hemorrhagic fever (B00-B09) Viral infections characterized by skin and mucous membrane lesions y (B00) Herpes viral (herpes simplex) infections y (B000) Eczema herpeticum y (B001) Herpes viral vesicular dermatitis y (B002) Herpes viral gingivostomatitis and pharyngotonsillitis y (B003) Herpes viral meningitis y (B004) Herpes viral encephalitis y (B005) Herpes viral ocular disease y (B007) Disseminated herpes viral disease y (B008) Other forms of herpes viral infection y (B009) Herpes viral infection, unspecified y (B01) Varicella (chickenpox) y (B010) Varicella meningitis y (B011) Varicella encephalitis y (B012) Varicella pneumonia y (B018) Varicella with other complications y (B019) Varicella without complication y (B02) Zoster (herpes zoster) y (B020) Zoster encephalitis y (B021) Zoster meningitis y (B022) Zoster with other nervous system involvement y (B023) Zoster ocular disease y (B027) Disseminated zoster y (B028) Zoster with other complications y (B029) Zoster without complication y (B03) Smallpox y (B04) Monkeypox y (B05) Measles y (B06) Rubella (German measles) y (B07) Viral warts y Verruca y (B08) Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified y (B080) Other orthopoxvirus infections o Cowpox o Vaccinia y (B081) Molluscum contagiosum y (B082) Exanthema subitum (sixth disease) y (B083) Erythema infectiosum (fifth disease) y (B084) Enteroviral vesicular stomatitis with exanthem y (B085) Enteroviral vesicular pharyngitis y (B088) Other specified viral infections characterized by skin and mucous membrane lesions y Foot-and-mouth disease y (B09) Unspecified viral infection characterized by skin and mucous membrane lesions (B15-B19) Viral hepatitis y (B15) Acute hepatitis A y (B16) Acute hepatitis B y (B17) Other acute viral hepatitis y (B171) Acute hepatitis C y (B172) Acute hepatitis E y (B18) Chronic viral hepatitis y (B19) Unspecified viral hepatitis (B20-B24) Human immunodeficiency virus (HIV) disease y (B20) Human Immunodeficiency Virus (HIV) disease Resulting in infectious and parasitic diseases y (B200) HIV disease resulting in mycobacterial infection y (B201)