ICD-10-CM › A00-B99

A00-B99 - Certain infectious and parasitic diseases

Chapter 1 of the ICD-10-CM tabular list. 1,309 ICD-10-CM codes sit in this chapter, of which 1,068 are billable in FY2027. Every one has a page giving the years it was valid and what to use instead when it is not.

Sections in this chapter

A00-A09 Intestinal infectious diseases
94 codes A15-A19 Tuberculosis
61 codes A20-A28 Certain zoonotic bacterial diseases
57 codes A30-A49 Other bacterial diseases
144 codes A50-A64 Infections with a predominantly sexual mode of transmission
169 codes A65-A69 Other spirochetal diseases
33 codes A70-A74 Other diseases caused by chlamydiae
11 codes A75-A79 Rickettsioses
26 codes A80-A89 Viral and prion infections of the central nervous system
60 codes A90-A99 Arthropod-borne viral fevers and viral hemorrhagic fevers
40 codes B00-B09 Viral infections characterized by skin and mucous membrane lesions
103 codes B10 Other human herpesviruses
8 codes B15-B19 Viral hepatitis
31 codes B20 Human immunodeficiency virus [HIV] disease
1 code B25-B34 Other viral diseases
67 codes B35-B49 Mycoses
125 codes B50-B64 Protozoal diseases
72 codes B65-B83 Helminthiases
106 codes B85-B89 Pediculosis, acariasis and other infestations
28 codes B90-B94 Sequelae of infectious and parasitic diseases
14 codes B95-B97 Bacterial and viral infectious agents
56 codes B99 Other infectious diseases
3 codes

Or browse all ICD-10-CM codes by first character, check a list of codes with the batch validity checker, or see what changed in each release.