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Home/ICD-10 Codes/Certain infectious and parasitic diseases

Certain infectious and parasitic diseases
A00-B99

A00-A09
A15-A19
A20-A28
A30-A49
A50-A64
This chapter covers ICD-10-CM codes in the range A00-B99 for certain infectious and parasitic diseases . Covers bacterial, viral, and parasitic infections including tuberculosis, HIV, hepatitis, and other communicable diseases.
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About This Chapter
Includes
  • • diseases generally recognized as communicable or transmissible
Excludes1
  • • certain localized infections - see body system-related chapters
Excludes2
  • • carrier or suspected carrier of infectious disease ( Z22 .-) Z22
  • • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium ( O98 .-) O98
  • • infectious and parasitic diseases specific to the perinatal period ( P35-P39 ) P35-P39
  • • influenza and other acute respiratory infections ( J00-J22 ) J00-J22
Use Additional Code
  • • code to identify resistance to antimicrobial drugs ( Z16 .-) Z16
Intestinal infectious diseases
10codes codes
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
Tuberculosis
4codes codes
A15
Respiratory tuberculosis
A17
Tuberculosis of nervous system
A18
Tuberculosis of other organs
A19
Miliary tuberculosis
Certain zoonotic bacterial diseases
9codes codes
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
Other bacterial diseases
18codes codes
A30
Leprosy [Hansen's disease]
A31
Infection due to other mycobacteria
A32
Listeriosis
A33
Tetanus neonatorum
A34
Obstetrical tetanus
A35
Other tetanus
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
A48
Other bacterial diseases, not elsewhere classified
A49
Bacterial infection of unspecified site
Infections with a predominantly sexual mode of transmission
13codes codes
A50
Congenital syphilis
A51
Early syphilis
A52
Late syphilis
A53
Other and unspecified syphilis
A54
Gonococcal infection
A55
Chlamydial lymphogranuloma (venereum)
A56
Other sexually transmitted chlamydial diseases
A57
Chancroid
A58
Granuloma inguinale
A59
Trichomoniasis
A60
Anogenital herpesviral [herpes simplex] infections
A63
Other predominantly sexually transmitted diseases, not elsewhere classified
A64
Unspecified sexually transmitted disease
Other spirochetal diseases
5codes codes
A65
Nonvenereal syphilis
A66
Yaws
A67
Pinta [carate]
A68
Relapsing fevers
A69
Other spirochetal infections
Other diseases caused by chlamydiae
3codes codes
A70
Chlamydia psittaci infections
A71
Trachoma
A74
Other diseases caused by chlamydiae
Rickettsioses
4codes codes
A75
Typhus fever
A77
Spotted fever [tick-borne rickettsioses]
A78
Q fever
A79
Other rickettsioses
Viral and prion infections of the central nervous system
10codes codes
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
A87
Viral meningitis
A88
Other viral infections of central nervous system, not elsewhere classified
A89
Unspecified viral infection of central nervous system
Arthropod-borne viral fevers and viral hemorrhagic fevers
9codes codes
A90
Dengue fever [classical dengue]
A91
Dengue hemorrhagic fever
A92
Other mosquito-borne viral fevers
A93
Other arthropod-borne viral fevers, not elsewhere classified
A94
Unspecified arthropod-borne viral fever
A95
Yellow fever
A96
Arenaviral hemorrhagic fever
A98
Other viral hemorrhagic fevers, not elsewhere classified
A99
Unspecified viral hemorrhagic fever
Viral infections characterized by skin and mucous membrane lesions
10codes codes
B00
Herpesviral [herpes simplex] infections
B01
Varicella [chickenpox]
B02
Zoster [herpes zoster]
B03
Smallpox
B04
Monkeypox
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
Other human herpesviruses
1code codes
B10
Other human herpesviruses
Viral hepatitis
5codes codes
B15
Acute hepatitis A
B16
Acute hepatitis B
B17
Other acute viral hepatitis
B18
Chronic viral hepatitis
B19
Unspecified viral hepatitis
Human immunodeficiency virus [HIV] disease
1code codes
B20
Human immunodeficiency virus [HIV] disease
Other viral diseases
6codes codes
B25
Cytomegaloviral disease
B26
Mumps
B27
Infectious mononucleosis
B30
Viral conjunctivitis
B33
Other viral diseases, not elsewhere classified
B34
Viral infection of unspecified site
Mycoses
15codes codes
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
Protozoal diseases
12codes codes
B50
Plasmodium falciparum malaria
B51
Plasmodium vivax malaria
B52
Plasmodium malariae malaria
B53
Other specified malaria
B54
Unspecified malaria
B55
Leishmaniasis
B56
African trypanosomiasis
B57
Chagas' disease
B58
Toxoplasmosis
B59
Pneumocystosis
B60
Other protozoal diseases, not elsewhere classified
B64
Unspecified protozoal disease
Helminthiases
19codes codes
B65
Schistosomiasis [bilharziasis]
B66
Other fluke infections
B67
Echinococcosis
B68
Taeniasis
B69
Cysticercosis
B70
Diphyllobothriasis and sparganosis
B71
Other cestode infections
B72
Dracunculiasis
B73
Onchocerciasis
B74
Filariasis
B75
Trichinellosis
B76
Hookworm diseases
B77
Ascariasis
B78
Strongyloidiasis
B79
Trichuriasis
B80
Enterobiasis
B81
Other intestinal helminthiases, not elsewhere classified
B82
Unspecified intestinal parasitism
B83
Other helminthiases
Pediculosis, acariasis and other infestations
5codes codes
B85
Pediculosis and phthiriasis
B86
Scabies
B87
Myiasis
B88
Other infestations
B89
Unspecified parasitic disease
Sequelae of infectious and parasitic diseases
4codes codes
B90
Sequelae of tuberculosis
B91
Sequelae of poliomyelitis
B92
Sequelae of leprosy
B94
Sequelae of other and unspecified infectious and parasitic diseases
Bacterial and viral infectious agents
3codes codes
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
Other infectious diseases
1code codes
B99
Other and unspecified infectious diseases
Chapter Contents
Intestinal infectious diseases
A00-A09
Tuberculosis
A15-A19
Certain zoonotic bacterial diseases
A20-A28
Other bacterial diseases
A30-A49
Infections with a predominantly sexual mode of transmission
A50-A64
Other spirochetal diseases
A65-A69
Other diseases caused by chlamydiae
A70-A74
Rickettsioses
A75-A79
Viral and prion infections of the central nervous system
A80-A89
Arthropod-borne viral fevers and viral hemorrhagic fevers
A90-A99
Viral infections characterized by skin and mucous membrane lesions
B00-B09
Other human herpesviruses
B10
Viral hepatitis
B15-B19
Human immunodeficiency virus [HIV] disease
B20
Other viral diseases
B25-B34
Mycoses
B35-B49
Protozoal diseases
B50-B64
Helminthiases
B65-B83
Pediculosis, acariasis and other infestations
B85-B89
Sequelae of infectious and parasitic diseases
B90-B94
Bacterial and viral infectious agents
B95-B97
Other infectious diseases
B99