Diagnosis Codes Index - Certain infectious and parasitic diseases

    • ICD-10 Index

      • Certain infectious and parasitic diseases (A00–B99)

        Includes: diseases generally recognized as communicable or transmissible Use additional code to identify resistance to antimicrobial drugs (Z16.-)
        Excludes1: certain localized infections - see body system-related chapters
        Excludes2: carrier or suspected carrier of infectious disease (Z22.-), infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-), infectious and parasitic diseases specific to the perinatal period (P35-P39), influenza and other acute respiratory infections (J00-J22).

        • Intestinal infectious diseases (A00-A09)

          • Cholera (A00)
          • Typhoid and paratyphoid fevers (A01)
          • Other salmonella infections (A02)
          • Shigellosis (A03)
          • Other bacterial intestinal infections (A04)
          • Oth bacterial foodborne intoxications, NEC (A05)
          • Amebiasis (A06)
          • Other protozoal intestinal diseases (A07)
          • Viral and other specified intestinal infections (A08)
          • Infectious gastroenteritis and colitis, unspecified (A09)
        • Tuberculosis (A15-A19)

          • Respiratory tuberculosis (A15)
          • Tuberculosis of nervous system (A17)
          • Tuberculosis of other organs (A18)
          • Miliary tuberculosis (A19)
        • Certain zoonotic bacterial diseases (A20-A28)

          • Plague (A20)
          • Tularemia (A21)
          • Anthrax (A22)
          • Brucellosis (A23)
          • Glanders and melioidosis (A24)
          • Rat-bite fevers (A25)
          • Erysipeloid (A26)
          • Leptospirosis (A27)
          • Other zoonotic bacterial diseases, not elsewhere classified (A28)
        • Other bacterial diseases (A30-A49)

          • Leprosy [Hansen's disease] (A30)
          • Infection due to other mycobacteria (A31)
          • Listeriosis (A32)
          • Tetanus neonatorum (A33)
          • Obstetrical tetanus (A34)
          • Other tetanus (A35)
          • Diphtheria (A36)
          • Whooping cough (A37)
          • Scarlet fever (A38)
          • Meningococcal infection (A39)
          • Streptococcal sepsis (A40)
          • Other sepsis (A41)
          • Actinomycosis (A42)
          • Nocardiosis (A43)
          • Bartonellosis (A44)
          • Erysipelas (A46)
          • Other bacterial diseases, not elsewhere classified (A48)
          • Bacterial infection of unspecified site (A49)
        • Infections with a predominantly sexual mode of transmission (A50-A64)

          • Congenital syphilis (A50)
          • Early syphilis (A51)
          • Late syphilis (A52)
          • Other and unspecified syphilis (A53)
          • Gonococcal infection (A54)
          • Chlamydial lymphogranuloma (venereum) (A55)
          • Other sexually transmitted chlamydial diseases (A56)
          • Chancroid (A57)
          • Granuloma inguinale (A58)
          • Trichomoniasis (A59)
          • Anogenital herpesviral [herpes simplex] infections (A60)
          • Oth predominantly sexually transmitted diseases, NEC (A63)
          • Unspecified sexually transmitted disease (A64)
        • Other spirochetal diseases (A65-A69)

          • Nonvenereal syphilis (A65)
          • Yaws (A66)
          • Pinta [carate] (A67)
          • Relapsing fevers (A68)
          • Other spirochetal infections (A69)
        • Other diseases caused by chlamydiae (A70-A74)

          • Chlamydia psittaci infections (A70)
          • Trachoma (A71)
          • Other diseases caused by chlamydiae (A74)
        • Rickettsioses (A75-A79)

          • Typhus fever (A75)
          • Spotted fever [tick-borne rickettsioses] (A77)
          • Q fever (A78)
          • Other rickettsioses (A79)
        • Viral and prion infections of the central nervous system (A80-A89)

          • Acute poliomyelitis (A80)
          • Atypical virus infections of central nervous system (A81)
          • Rabies (A82)
          • Mosquito-borne viral encephalitis (A83)
          • Tick-borne viral encephalitis (A84)
          • Other viral encephalitis, not elsewhere classified (A85)
          • Unspecified viral encephalitis (A86)
          • Viral meningitis (A87)
          • Oth viral infections of central nervous system, NEC (A88)
          • Unspecified viral infection of central nervous system (A89)
        • Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99)

          • Dengue fever [classical dengue] (A90)
          • Dengue hemorrhagic fever (A91)
          • Other mosquito-borne viral fevers (A92)
          • Other arthropod-borne viral fevers, not elsewhere classified (A93)
          • Unspecified arthropod-borne viral fever (A94)
          • Yellow fever (A95)
          • Arenaviral hemorrhagic fever (A96)
          • Other viral hemorrhagic fevers, not elsewhere classified (A98)
          • Unspecified viral hemorrhagic fever (A99)
        • Viral infections characterized by skin and mucous membrane lesions (B00-B09)

          • Herpesviral [herpes simplex] infections (B00)
          • Varicella [chickenpox] (B01)
          • Zoster [herpes zoster] (B02)
          • Smallpox (B03)
          • Monkeypox (B04)
          • Measles (B05)
          • Rubella [German measles] (B06)
          • Viral warts (B07)
          • Oth viral infect with skin and mucous membrane lesions, NEC (B08)
          • Unsp viral infection with skin and mucous membrane lesions (B09)
        • Other human herpesviruses (B10)

          • Other human herpesviruses (B10)
        • Viral hepatitis (B15-B19)

          • Acute hepatitis A (B15)
          • Acute hepatitis B (B16)
          • Other acute viral hepatitis (B17)
          • Chronic viral hepatitis (B18)
          • Unspecified viral hepatitis (B19)
        • Human immunodeficiency virus [HIV] disease (B20)

          • Human immunodeficiency virus [HIV] disease (B20)
        • Other viral diseases (B25-B34)

          • Cytomegaloviral disease (B25)
          • Mumps (B26)
          • Infectious mononucleosis (B27)
          • Viral conjunctivitis (B30)
          • Other viral diseases, not elsewhere classified (B33)
          • Viral infection of unspecified site (B34)
        • Mycoses (B35-B49)

          • Dermatophytosis (B35)
          • Other superficial mycoses (B36)
          • Candidiasis (B37)
          • Coccidioidomycosis (B38)
          • Histoplasmosis (B39)
          • Blastomycosis (B40)
          • Paracoccidioidomycosis (B41)
          • Sporotrichosis (B42)
          • Chromomycosis and pheomycotic abscess (B43)
          • Aspergillosis (B44)
          • Cryptococcosis (B45)
          • Zygomycosis (B46)
          • Mycetoma (B47)
          • Other mycoses, not elsewhere classified (B48)
          • Unspecified mycosis (B49)
        • Protozoal diseases (B50-B64)

          • Plasmodium falciparum malaria (B50)
          • Plasmodium vivax malaria (B51)
          • Plasmodium malariae malaria (B52)
          • Other specified malaria (B53)
          • Unspecified malaria (B54)
          • Leishmaniasis (B55)
          • African trypanosomiasis (B56)
          • Chagas' disease (B57)
          • Toxoplasmosis (B58)
          • Pneumocystosis (B59)
          • Other protozoal diseases, not elsewhere classified (B60)
          • Unspecified protozoal disease (B64)
        • Helminthiases (B65-B83)

          • Schistosomiasis [bilharziasis] (B65)
          • Other fluke infections (B66)
          • Echinococcosis (B67)
          • Taeniasis (B68)
          • Cysticercosis (B69)
          • Diphyllobothriasis and sparganosis (B70)
          • Other cestode infections (B71)
          • Dracunculiasis (B72)
          • Onchocerciasis (B73)
          • Filariasis (B74)
          • Trichinellosis (B75)
          • Hookworm diseases (B76)
          • Ascariasis (B77)
          • Strongyloidiasis (B78)
          • Trichuriasis (B79)
          • Enterobiasis (B80)
          • Other intestinal helminthiases, not elsewhere classified (B81)
          • Unspecified intestinal parasitism (B82)
          • Other helminthiases (B83)
        • Pediculosis, acariasis and other infestations (B85-B89)

          • Pediculosis and phthiriasis (B85)
          • Scabies (B86)
          • Myiasis (B87)
          • Other infestations (B88)
          • Unspecified parasitic disease (B89)
        • Sequelae of infectious and parasitic diseases (B90-B94)

          • Sequelae of tuberculosis (B90)
          • Sequelae of poliomyelitis (B91)
          • Sequelae of leprosy (B92)
          • Sequelae of other and unsp infectious and parasitic diseases (B94)
        • Bacterial and viral infectious agents (B95-B97)

          • Strep as the cause of diseases classified elsewhere (B95)
          • Oth bacterial agents as the cause of diseases classd elswhr (B96)
          • Viral agents as the cause of diseases classified elsewhere (B97)
        • Other infectious diseases (B99)

          • Other and unspecified infectious diseases (B99)