B65-B83Not billable, use a more specific code below
Helminthiases (B65-B83)
chapter 1: Certain Infectious and Parasitic Diseases
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Rules for coding infections and parasitic diseases, including HIV, organism and drug resistance codes, sepsis and septic shock, MRSA, Zika, and COVID-19.
- Human Immunodeficiency Virus (HIV) Infections (page 19)
- Infectious agents as the cause of diseases classified to other chapters (page 22)
- Infections resistant to antibiotics (page 22)
- Sepsis, Severe Sepsis, and Septic Shock (page 23)
- Methicillin Resistant Staphylococcus aureus (MRSA) Conditions (page 27)
- Zika virus infections (page 28)
- Coronavirus infections (page 28)
All codes under B65-B83
B65-B83 can't be used on a claim. Pick a billable code below; grey headings group them.
- B65Schistosomiasis [bilharziasis]
- B65.0Schistosomiasis due to Schistosoma haematobium [urinary schistosomiasis]
- B65.1Schistosomiasis due to Schistosoma mansoni [intestinal schistosomiasis]
- B65.2Schistosomiasis due to Schistosoma japonicum
- B65.3Cercarial dermatitis
- B65.8Other schistosomiasis
- B65.9Schistosomiasis, unspecified
- B66Other fluke infections
- B66.0Opisthorchiasis
- B66.1Clonorchiasis
- B66.2Dicroceliasis
- B66.3Fascioliasis
- B66.4Paragonimiasis
- B66.5Fasciolopsiasis
- B66.8Other specified fluke infections
- B66.9Fluke infection, unspecified
- B67Echinococcosis
- B67.0Echinococcus granulosus infection of liver
- B67.1Echinococcus granulosus infection of lung
- B67.2Echinococcus granulosus infection of bone
- B67.3Echinococcus granulosus infection, other and multiple sites
- B67.31Echinococcus granulosus infection, thyroid gland
- B67.32Echinococcus granulosus infection, multiple sites
- B67.39Echinococcus granulosus infection, other sites
- B67.4Echinococcus granulosus infection, unspecified
- B67.5Echinococcus multilocularis infection of liver
- B67.6Echinococcus multilocularis infection, other and multiple sites
- B67.61Echinococcus multilocularis infection, multiple sites
- B67.69Echinococcus multilocularis infection, other sites
- B67.7Echinococcus multilocularis infection, unspecified
- B67.8Echinococcosis, unspecified, of liver
- B67.9Echinococcosis, other and unspecified
- B67.90Echinococcosis, unspecified
- B67.99Other echinococcosis
- B68Taeniasis
- B68.0Taenia solium taeniasis
- B68.1Taenia saginata taeniasis
- B68.9Taeniasis, unspecified
- B69Cysticercosis
- B69.0Cysticercosis of central nervous system
- B69.1Cysticercosis of eye
- B69.8Cysticercosis of other sites
- B69.81Myositis in cysticercosis
- B69.89Cysticercosis of other sites
- B69.9Cysticercosis, unspecified
- B70Diphyllobothriasis and sparganosis
- B70.0Diphyllobothriasis
- B70.1Sparganosis
- B71Other cestode infections
- B71.0Hymenolepiasis
- B71.1Dipylidiasis
- B71.8Other specified cestode infections
- B71.9Cestode infection, unspecified
- B72Dracunculiasis
- B73Onchocerciasis
- B73.0Onchocerciasis with eye disease
- B73.00Onchocerciasis with eye involvement, unspecified
- B73.01Onchocerciasis with endophthalmitis
- B73.02Onchocerciasis with glaucoma
- B73.09Onchocerciasis with other eye involvement
- B73.1Onchocerciasis without eye disease
- B74Filariasis
- B74.0Filariasis due to Wuchereria bancrofti
- B74.1Filariasis due to Brugia malayi
- B74.2Filariasis due to Brugia timori
- B74.3Loiasis
- B74.4Mansonelliasis
- B74.8Other filariases
- B74.9Filariasis, unspecified
- B75Trichinellosis
- B76Hookworm diseases
- B76.0Ancylostomiasis
- B76.1Necatoriasis
- B76.8Other hookworm diseases
- B76.9Hookworm disease, unspecified
- B77Ascariasis
- B77.0Ascariasis with intestinal complications
- B77.8Ascariasis with other complications
- B77.81Ascariasis pneumonia
- B77.89Ascariasis with other complications
- B77.9Ascariasis, unspecified
- B78Strongyloidiasis
- B78.0Intestinal strongyloidiasis
- B78.1Cutaneous strongyloidiasis
- B78.7Disseminated strongyloidiasis
- B78.9Strongyloidiasis, unspecified
- B79Trichuriasis
- B80Enterobiasis
- B81Other intestinal helminthiases, not elsewhere classified
- B81.0Anisakiasis
- B81.1Intestinal capillariasis
- B81.2Trichostrongyliasis
- B81.3Intestinal angiostrongyliasis
- B81.4Mixed intestinal helminthiases
- B81.8Other specified intestinal helminthiases
- B82Unspecified intestinal parasitism
- B82.0Intestinal helminthiasis, unspecified
- B82.9Intestinal parasitism, unspecified
- B83Other helminthiases
- B83.0Visceral larva migrans
- B83.1Gnathostomiasis
- B83.2Angiostrongyliasis due to Parastrongylus cantonensis
- B83.3Syngamiasis
- B83.4Internal hirudiniasis
- B83.8Other specified helminthiases
- B83.9Helminthiasis, unspecified
B65-B83 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Parasitic Diseases
Parasites are living things that use other living things - like your body - for food and a place to live. You can get them from contaminated food or water, a bug bite, or sexual contact. Some parasitic diseases are easily treated and some are not.
Read more about parasitic diseases on MedlinePlus