ICD-10-CM chapter 1
A00-B99: Certain infectious and parasitic diseases
This chapter has 167 categories and 1,068 billable codes in the 2027 code set. Choose a category to see every code in it.
Categories
- A00Cholera
- A01Typhoid and paratyphoid fevers
- A02Other salmonella infections
- A03Shigellosis
- A04Other bacterial intestinal infections
- A05Other bacterial foodborne intoxications, not elsewhere classified
- A06Amebiasis
- A07Other protozoal intestinal diseases
- A08Viral and other specified intestinal infections
- A09Infectious gastroenteritis and colitis, unspecified
- A15Respiratory tuberculosis
- A17Tuberculosis of nervous system
- A18Tuberculosis of other organs
- A19Miliary tuberculosis
- A20Plague
- A21Tularemia
- A22Anthrax
- A23Brucellosis
- A24Glanders and melioidosis
- A25Rat-bite fevers
- A26Erysipeloid
- A27Leptospirosis
- A28Other zoonotic bacterial diseases, not elsewhere classified
- A30Leprosy [Hansen's disease]
- A31Infection due to other mycobacteria
- A32Listeriosis
- A33Tetanus neonatorum
- A34Obstetrical tetanus
- A35Other tetanus
- A36Diphtheria
- A37Whooping cough
- A38Scarlet fever
- A39Meningococcal infection
- A40Streptococcal sepsis
- A41Other sepsis
- A42Actinomycosis
- A43Nocardiosis
- A44Bartonellosis
- A46Erysipelas
- A48Other bacterial diseases, not elsewhere classified
- A49Bacterial infection of unspecified site
- A50Congenital syphilis
- A51Early syphilis
- A52Late syphilis
- A53Other and unspecified syphilis
- A54Gonococcal infection
- A55Chlamydial lymphogranuloma (venereum)
- A56Other sexually transmitted chlamydial diseases
- A57Chancroid
- A58Granuloma inguinale
- A59Trichomoniasis
- A60Anogenital herpesviral [herpes simplex] infections
- A63Other predominantly sexually transmitted diseases, not elsewhere classified
- A64Unspecified sexually transmitted disease
- A65Nonvenereal syphilis
- A66Yaws
- A67Pinta [carate]
- A68Relapsing fevers
- A69Other spirochetal infections
- A70Chlamydia psittaci infections
- A71Trachoma
- A74Other diseases caused by chlamydiae
- A75Typhus fever
- A77Spotted fever [tick-borne rickettsioses]
- A78Q fever
- A79Other rickettsioses
- A80Acute poliomyelitis
- A81Atypical virus infections of central nervous system
- A82Rabies
- A83Mosquito-borne viral encephalitis
- A84Tick-borne viral encephalitis
- A85Other viral encephalitis, not elsewhere classified
- A86Unspecified viral encephalitis
- A87Viral meningitis
- A88Other viral infections of central nervous system, not elsewhere classified
- A89Unspecified viral infection of central nervous system
- A90Dengue fever [classical dengue]
- A91Dengue hemorrhagic fever
- A92Other mosquito-borne viral fevers
- A93Other arthropod-borne viral fevers, not elsewhere classified
- A94Unspecified arthropod-borne viral fever
- A95Yellow fever
- A96Arenaviral hemorrhagic fever
- A98Other viral hemorrhagic fevers, not elsewhere classified
- A99Unspecified viral hemorrhagic fever
- B00Herpesviral [herpes simplex] infections
- B01Varicella [chickenpox]
- B02Zoster [herpes zoster]
- B03Smallpox
- B04Monkeypox
- B05Measles
- B06Rubella [German measles]
- B07Viral warts
- B08Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified
- B09Unspecified viral infection characterized by skin and mucous membrane lesions
- B10Other human herpesviruses
- B15Acute hepatitis A
- B16Acute hepatitis B
- B17Other acute viral hepatitis
- B18Chronic viral hepatitis
- B19Unspecified viral hepatitis
- B20Human immunodeficiency virus [HIV] disease
- B25Cytomegaloviral disease
- B26Mumps
- B27Infectious mononucleosis
- B30Viral conjunctivitis
- B33Other viral diseases, not elsewhere classified
- B34Viral infection of unspecified site
- B35Dermatophytosis
- B36Other superficial mycoses
- B37Candidiasis
- B38Coccidioidomycosis
- B39Histoplasmosis
- B40Blastomycosis
- B41Paracoccidioidomycosis
- B42Sporotrichosis
- B43Chromomycosis and pheomycotic abscess
- B44Aspergillosis
- B45Cryptococcosis
- B46Zygomycosis
- B47Mycetoma
- B48Other mycoses, not elsewhere classified
- B49Unspecified mycosis
- B50Plasmodium falciparum malaria
- B51Plasmodium vivax malaria
- B52Plasmodium malariae malaria
- B53Other specified malaria
- B54Unspecified malaria
- B55Leishmaniasis
- B56African trypanosomiasis
- B57Chagas' disease
- B58Toxoplasmosis
- B59Pneumocystosis
- B60Other protozoal diseases, not elsewhere classified
- B64Unspecified protozoal disease
- B65Schistosomiasis [bilharziasis]
- B66Other fluke infections
- B67Echinococcosis
- B68Taeniasis
- B69Cysticercosis
- B70Diphyllobothriasis and sparganosis
- B71Other cestode infections
- B72Dracunculiasis
- B73Onchocerciasis
- B74Filariasis
- B75Trichinellosis
- B76Hookworm diseases
- B77Ascariasis
- B78Strongyloidiasis
- B79Trichuriasis
- B80Enterobiasis
- B81Other intestinal helminthiases, not elsewhere classified
- B82Unspecified intestinal parasitism
- B83Other helminthiases
- B85Pediculosis and phthiriasis
- B86Scabies
- B87Myiasis
- B88Other infestations
- B89Unspecified parasitic disease
- B90Sequelae of tuberculosis
- B91Sequelae of poliomyelitis
- B92Sequelae of leprosy
- B94Sequelae of other and unspecified infectious and parasitic diseases
- B95Streptococcus, Staphylococcus, and Enterococcus as the cause of diseases classified elsewhere
- B96Other bacterial agents as the cause of diseases classified elsewhere
- B97Viral agents as the cause of diseases classified elsewhere
- B99Other and unspecified infectious diseases