Chapter 1: Certain infectious and parasitic diseases

Code range A00-B99 - 167 categories

Category	Description	Billable codes
`A00`	Cholera	3
`A01`	Typhoid and paratyphoid fevers	11
`A02`	Other salmonella infections	11
`A03`	Shigellosis	6
`A04`	Other bacterial intestinal infections	11
`A05`	Oth bacterial foodborne intoxications, NEC	8
`A06`	Amebiasis	12
`A07`	Other protozoal intestinal diseases	7
`A08`	Viral and other specified intestinal infections	9
`A09`	Infectious gastroenteritis and colitis, unspecified	1
`A15`	Respiratory tuberculosis	7
`A17`	Tuberculosis of nervous system	7
`A18`	Tuberculosis of other organs	32
`A19`	Miliary tuberculosis	5
`A20`	Plague	7
`A21`	Tularemia	7
`A22`	Anthrax	6
`A23`	Brucellosis	6
`A24`	Glanders and melioidosis	5
`A25`	Rat-bite fevers	3
`A26`	Erysipeloid	4
`A27`	Leptospirosis	4
`A28`	Other zoonotic bacterial diseases, not elsewhere classified	5
`A30`	Leprosy [Hansen's disease]	8
`A31`	Infection due to other mycobacteria	5
`A32`	Listeriosis	8
`A33`	Tetanus neonatorum	1
`A34`	Obstetrical tetanus	1
`A35`	Other tetanus	1
`A36`	Diphtheria	12
`A37`	Whooping cough	8
`A38`	Scarlet fever	4
`A39`	Meningococcal infection	15
`A40`	Streptococcal sepsis	5
`A41`	Other sepsis	15
`A42`	Actinomycosis	8
`A43`	Nocardiosis	4
`A44`	Bartonellosis	4
`A46`	Erysipelas	1
`A48`	Other bacterial diseases, not elsewhere classified	8
`A49`	Bacterial infection of unspecified site	7
`A50`	Congenital syphilis	33
`A51`	Early syphilis	15
`A52`	Late syphilis	30
`A53`	Other and unspecified syphilis	2
`A54`	Gonococcal infection	31
`A55`	Chlamydial lymphogranuloma (venereum)	1
`A56`	Other sexually transmitted chlamydial diseases	10
`A57`	Chancroid	1
`A58`	Granuloma inguinale	1
`A59`	Trichomoniasis	7
`A60`	Anogenital herpesviral [herpes simplex] infections	8
`A63`	Oth predominantly sexually transmitted diseases, NEC	2
`A64`	Unspecified sexually transmitted disease	1
`A65`	Nonvenereal syphilis	1
`A66`	Yaws	10
`A67`	Pinta [carate]	5
`A68`	Relapsing fevers	3
`A69`	Other spirochetal infections	9
`A70`	Chlamydia psittaci infections	1
`A71`	Trachoma	3
`A74`	Other diseases caused by chlamydiae	4
`A75`	Typhus fever	5
`A77`	Spotted fever [tick-borne rickettsioses]	9
`A78`	Q fever	1
`A79`	Other rickettsioses	6
`A80`	Acute poliomyelitis	7
`A81`	Atypical virus infections of central nervous system	10
`A82`	Rabies	3
`A83`	Mosquito-borne viral encephalitis	9
`A84`	Tick-borne viral encephalitis	5
`A85`	Other viral encephalitis, not elsewhere classified	4
`A86`	Unspecified viral encephalitis	1
`A87`	Viral meningitis	5
`A88`	Oth viral infections of central nervous system, NEC	3
`A89`	Unspecified viral infection of central nervous system	1
`A90`	Dengue fever [classical dengue]	1
`A91`	Dengue hemorrhagic fever	1
`A92`	Other mosquito-borne viral fevers	11
`A93`	Other arthropod-borne viral fevers, not elsewhere classified	4
`A94`	Unspecified arthropod-borne viral fever	1
`A95`	Yellow fever	3
`A96`	Arenaviral hemorrhagic fever	5
`A98`	Other viral hemorrhagic fevers, not elsewhere classified	7
`A99`	Unspecified viral hemorrhagic fever	1
`B00`	Herpesviral [herpes simplex] infections	15
`B01`	Varicella [chickenpox]	7
`B02`	Zoster [herpes zoster]	16
`B03`	Smallpox	1
`B04`	Monkeypox	1
`B05`	Measles	8
`B06`	Rubella [German measles]	8
`B07`	Viral warts	3
`B08`	Oth viral infect with skin and mucous membrane lesions, NEC	22
`B09`	Unspecified viral infection characterized by skin and mucous membrane lesions	1
`B10`	Other human herpesviruses	5
`B15`	Acute hepatitis A	2
`B16`	Acute hepatitis B	4
`B17`	Other acute viral hepatitis	6
`B18`	Chronic viral hepatitis	5
`B19`	Unspecified viral hepatitis	6
`B20`	Human immunodeficiency virus [HIV] disease	1
`B25`	Cytomegaloviral disease	5
`B26`	Mumps	11
`B27`	Infectious mononucleosis	16
`B30`	Viral conjunctivitis	6
`B33`	Other viral diseases, not elsewhere classified	10
`B34`	Viral infection of unspecified site	7
`B35`	Dermatophytosis	9
`B36`	Other superficial mycoses	6
`B37`	Candidiasis	17
`B38`	Coccidioidomycosis	9
`B39`	Histoplasmosis	7
`B40`	Blastomycosis	8
`B41`	Paracoccidioidomycosis	4
`B42`	Sporotrichosis	7
`B43`	Chromomycosis and pheomycotic abscess	5
`B44`	Aspergillosis	7
`B45`	Cryptococcosis	7
`B46`	Zygomycosis	8
`B47`	Mycetoma	3
`B48`	Other mycoses, not elsewhere classified	6
`B49`	Unspecified mycosis	1
`B50`	Plasmodium falciparum malaria	3
`B51`	Plasmodium vivax malaria	3
`B52`	Plasmodium malariae malaria	3
`B53`	Other specified malaria	3
`B54`	Unspecified malaria	1
`B55`	Leishmaniasis	4
`B56`	African trypanosomiasis	3
`B57`	Chagas' disease	12
`B58`	Toxoplasmosis	11
`B59`	Pneumocystosis	1
`B60`	Other protozoal diseases, not elsewhere classified	12
`B64`	Unspecified protozoal disease	1
`B65`	Schistosomiasis [bilharziasis]	6
`B66`	Other fluke infections	8
`B67`	Echinococcosis	14
`B68`	Taeniasis	3
`B69`	Cysticercosis	5
`B70`	Diphyllobothriasis and sparganosis	2
`B71`	Other cestode infections	4
`B72`	Dracunculiasis	1
`B73`	Onchocerciasis	5
`B74`	Filariasis	7
`B75`	Trichinellosis	1
`B76`	Hookworm diseases	4
`B77`	Ascariasis	4
`B78`	Strongyloidiasis	4
`B79`	Trichuriasis	1
`B80`	Enterobiasis	1
`B81`	Other intestinal helminthiases, not elsewhere classified	6
`B82`	Unspecified intestinal parasitism	2
`B83`	Other helminthiases	7
`B85`	Pediculosis and phthiriasis	5
`B86`	Scabies	1
`B87`	Myiasis	9
`B88`	Other infestations	7
`B89`	Unspecified parasitic disease	1
`B90`	Sequelae of tuberculosis	5
`B91`	Sequelae of poliomyelitis	1
`B92`	Sequelae of leprosy	1
`B94`	Sequelae of other and unsp infectious and parasitic diseases	5
`B95`	Strep as the cause of diseases classified elsewhere	10
`B96`	Oth bacterial agents as the cause of diseases classd elswhr	16
`B97`	Viral agents as the cause of diseases classified elsewhere	20
`B99`	Other and unspecified infectious diseases	2