Chapter 1: Certain infectious and parasitic diseases (A00-B99)

Top-Level Codes in This Chapter

• A00 Cholera
• A01 Typhoid and paratyphoid fevers
• A02 Other salmonella infections
• A03 Shigellosis
• A04 Other bacterial intestinal infections
• A05 Other bacterial foodborne intoxications, not elsewhere classified
• A06 Amebiasis
• A07 Other protozoal intestinal diseases
• A08 Viral and other specified intestinal infections
• A09 Infectious gastroenteritis and colitis, unspecified Billable
• A15 Respiratory tuberculosis
• A17 Tuberculosis of nervous system
• A18 Tuberculosis of other organs
• A19 Miliary tuberculosis
• A20 Plague
• A21 Tularemia
• A22 Anthrax
• A23 Brucellosis
• A24 Glanders and melioidosis
• A25 Rat-bite fevers
• A26 Erysipeloid
• A27 Leptospirosis
• A28 Other zoonotic bacterial diseases, not elsewhere classified
• A30 Leprosy [Hansen's disease]
• A31 Infection due to other mycobacteria
• A32 Listeriosis
• A33 Tetanus neonatorum Billable
• A34 Obstetrical tetanus Billable
• A35 Other tetanus Billable
• A36 Diphtheria
• A37 Whooping cough
• A38 Scarlet fever
• A39 Meningococcal infection
• A40 Streptococcal sepsis
• A41 Other sepsis
• A42 Actinomycosis
• A43 Nocardiosis
• A44 Bartonellosis
• A46 Erysipelas Billable
• A48 Other bacterial diseases, not elsewhere classified
• A49 Bacterial infection of unspecified site
• A50 Congenital syphilis
• A51 Early syphilis
• A52 Late syphilis
• A53 Other and unspecified syphilis
• A54 Gonococcal infection
• A55 Chlamydial lymphogranuloma (venereum) Billable
• A56 Other sexually transmitted chlamydial diseases
• A57 Chancroid Billable
• A58 Granuloma inguinale Billable
• A59 Trichomoniasis
• A60 Anogenital herpesviral [herpes simplex] infections
• A63 Other predominantly sexually transmitted diseases, not elsewhere classified
• A64 Unspecified sexually transmitted disease Billable
• A65 Nonvenereal syphilis Billable
• A66 Yaws
• A67 Pinta [carate]
• A68 Relapsing fevers
• A69 Other spirochetal infections
• A70 Chlamydia psittaci infections Billable
• A71 Trachoma
• A74 Other diseases caused by chlamydiae
• A75 Typhus fever
• A77 Spotted fever [tick-borne rickettsioses]
• A78 Q fever Billable
• A79 Other rickettsioses
• A80 Acute poliomyelitis
• A81 Atypical virus infections of central nervous system
• A82 Rabies
• A83 Mosquito-borne viral encephalitis
• A84 Tick-borne viral encephalitis
• A85 Other viral encephalitis, not elsewhere classified
• A86 Unspecified viral encephalitis Billable
• A87 Viral meningitis
• A88 Other viral infections of central nervous system, not elsewhere classified
• A89 Unspecified viral infection of central nervous system Billable
• A90 Dengue fever [classical dengue] Billable
• A91 Dengue hemorrhagic fever Billable
• A92 Other mosquito-borne viral fevers
• A93 Other arthropod-borne viral fevers, not elsewhere classified
• A94 Unspecified arthropod-borne viral fever Billable
• A95 Yellow fever
• A96 Arenaviral hemorrhagic fever
• A98 Other viral hemorrhagic fevers, not elsewhere classified
• A99 Unspecified viral hemorrhagic fever Billable
• B00 Herpesviral [herpes simplex] infections
• B01 Varicella [chickenpox]
• B02 Zoster [herpes zoster]
• B03 Smallpox Billable
• B04 Monkeypox Billable
• B05 Measles
• B06 Rubella [German measles]
• B07 Viral warts
• B08 Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified
• B09 Unspecified viral infection characterized by skin and mucous membrane lesions Billable
• B10 Other human herpesviruses
• B15 Acute hepatitis A
• B16 Acute hepatitis B
• B17 Other acute viral hepatitis
• B18 Chronic viral hepatitis
• B19 Unspecified viral hepatitis
• B20 Human immunodeficiency virus [HIV] disease Billable
• B25 Cytomegaloviral disease
• B26 Mumps
• B27 Infectious mononucleosis
• B30 Viral conjunctivitis
• B33 Other viral diseases, not elsewhere classified
• B34 Viral infection of unspecified site
• B35 Dermatophytosis
• B36 Other superficial mycoses
• B37 Candidiasis
• B38 Coccidioidomycosis
• B39 Histoplasmosis
• B40 Blastomycosis
• B41 Paracoccidioidomycosis
• B42 Sporotrichosis
• B43 Chromomycosis and pheomycotic abscess
• B44 Aspergillosis
• B45 Cryptococcosis
• B46 Zygomycosis
• B47 Mycetoma
• B48 Other mycoses, not elsewhere classified
• B49 Unspecified mycosis Billable
• B50 Plasmodium falciparum malaria
• B51 Plasmodium vivax malaria
• B52 Plasmodium malariae malaria
• B53 Other specified malaria
• B54 Unspecified malaria Billable
• B55 Leishmaniasis
• B56 African trypanosomiasis
• B57 Chagas' disease
• B58 Toxoplasmosis
• B59 Pneumocystosis Billable
• B60 Other protozoal diseases, not elsewhere classified
• B64 Unspecified protozoal disease Billable
• B65 Schistosomiasis [bilharziasis]
• B66 Other fluke infections
• B67 Echinococcosis
• B68 Taeniasis
• B69 Cysticercosis
• B70 Diphyllobothriasis and sparganosis
• B71 Other cestode infections
• B72 Dracunculiasis Billable
• B73 Onchocerciasis
• B74 Filariasis
• B75 Trichinellosis Billable
• B76 Hookworm diseases
• B77 Ascariasis
• B78 Strongyloidiasis
• B79 Trichuriasis Billable
• B80 Enterobiasis Billable
• B81 Other intestinal helminthiases, not elsewhere classified
• B82 Unspecified intestinal parasitism
• B83 Other helminthiases
• B85 Pediculosis and phthiriasis
• B86 Scabies Billable
• B87 Myiasis
• B88 Other infestations
• B89 Unspecified parasitic disease Billable
• B90 Sequelae of tuberculosis
• B91 Sequelae of poliomyelitis Billable
• B92 Sequelae of leprosy Billable
• B94 Sequelae of other and unspecified infectious and parasitic diseases
• B95 Streptococcus, Staphylococcus, and Enterococcus as the cause of diseases classified elsewhere
• B96 Other bacterial agents as the cause of diseases classified elsewhere
• B97 Viral agents as the cause of diseases classified elsewhere
• B99 Other and unspecified infectious diseases