B ICD-10-CM Categories: Category Index
Browse 82 top-level ICD-10-CM categories beginning with B, then follow their complete FY 2027 child-code hierarchies.
Categories beginning with B
Open a category to continue through its complete hierarchy of more specific codes.
B00Herpesviral [herpes simplex] infectionsB01Varicella [chickenpox]B02Zoster [herpes zoster]B03SmallpoxB04MonkeypoxB05MeaslesB06Rubella [German measles]B07Viral wartsB08Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classifiedB09Unspecified viral infection characterized by skin and mucous membrane lesionsB10Other human herpesvirusesB15Acute hepatitis AB16Acute hepatitis BB17Other acute viral hepatitisB18Chronic viral hepatitisB19Unspecified viral hepatitisB20Human immunodeficiency virus [HIV] diseaseB25Cytomegaloviral diseaseB26MumpsB27Infectious mononucleosisB30Viral conjunctivitisB33Other viral diseases, not elsewhere classifiedB34Viral infection of unspecified siteB35DermatophytosisB36Other superficial mycosesB37CandidiasisB38CoccidioidomycosisB39HistoplasmosisB40BlastomycosisB41ParacoccidioidomycosisB42SporotrichosisB43Chromomycosis and pheomycotic abscessB44AspergillosisB45CryptococcosisB46ZygomycosisB47MycetomaB48Other mycoses, not elsewhere classifiedB49Unspecified mycosisB50Plasmodium falciparum malariaB51Plasmodium vivax malariaB52Plasmodium malariae malariaB53Other specified malariaB54Unspecified malariaB55LeishmaniasisB56African trypanosomiasisB57Chagas' diseaseB58ToxoplasmosisB59PneumocystosisB60Other protozoal diseases, not elsewhere classifiedB64Unspecified protozoal diseaseB65Schistosomiasis [bilharziasis]B66Other fluke infectionsB67EchinococcosisB68TaeniasisB69CysticercosisB70Diphyllobothriasis and sparganosisB71Other cestode infectionsB72DracunculiasisB73OnchocerciasisB74FilariasisB75TrichinellosisB76Hookworm diseasesB77AscariasisB78StrongyloidiasisB79TrichuriasisB80EnterobiasisB81Other intestinal helminthiases, not elsewhere classifiedB82Unspecified intestinal parasitismB83Other helminthiasesB85Pediculosis and phthiriasisB86ScabiesB87MyiasisB88Other infestationsB89Unspecified parasitic diseaseB90Sequelae of tuberculosisB91Sequelae of poliomyelitisB92Sequelae of leprosyB94Sequelae of other and unspecified infectious and parasitic diseasesB95Streptococcus, Staphylococcus, and Enterococcus as the cause of diseases classified elsewhereB96Other bacterial agents as the cause of diseases classified elsewhereB97Viral agents as the cause of diseases classified elsewhereB99Other and unspecified infectious diseasesSource and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This category index is generated from Vero’s repository-backed ICD-10-CM hierarchy. Every listed category is a top-level record, and each linked category page exposes its direct child codes.
Frequently asked questions
Which ICD-10-CM categories begin with B?
This index lists 82 top-level categories beginning with B from Vero’s FY 2027 U.S. ICD-10-CM reference dataset.
How do I find a more specific B code?
Open a category below, then follow its linked child-code hierarchy until you reach the code supported by the documentation.
Which ICD-10-CM release does this B index use?
The index uses the FY 2027 U.S. ICD-10-CM release and the repository-backed hierarchy displayed on each linked code page.
Is every B category billable?
No. These are top-level categories used for navigation. Follow the hierarchy to a sufficiently specific code and confirm the active code set, official guidance, and payer requirements.