B65-B83 Helminthiases


ICD-10-CM-tabular April 1 2023

Helminthiases (B65-B83)

  1. B65  Schistosomiasis [bilharziasis] Includes: snail fever B65.0 Schistosomiasis due to Schistosoma haematobium [urinary schistosomiasis] B65.1 Schistosomiasis due to Schistosoma mansoni [intestinal schistosomiasis] B65.2 Schistosomiasis due to Schistosoma japonicum Asiatic schistosomiasis B65.3 Cercarial dermatitis Swimmer’s itch B65.8 Other schistosomiasis Infection due to Schistosoma intercalatum Infection due to Schistosoma mattheei Infection due to Schistosoma mekongi B65.9 Schistosomiasis, unspecified
  2. B66  Other fluke infections B66.0 Opisthorchiasis Infection due to cat liver fluke
    Infection due to Opisthorchis (felineus)(viverrini) B66.1 Clonorchiasis Chinese liver fluke disease Infection due to Clonorchis sinensis Oriental liver fluke disease B66.2 Dicroceliasis Infection due to Dicrocoelium dendriticum Lancet fluke infection B66.3 Fascioliasis Infection due to Fasciola gigantica Infection due to Fasciola hepatica Infection due to Fasciola indica Sheep liver fluke disease B66.4 Paragonimiasis Infection due to Paragonimus species Lung fluke disease
    Pulmonary distomiasis B66.5 Fasciolopsiasis

Infection due to Fasciolopsis buski

Intestinal distomiasis

B66.8 Other specified fluke infections

Echinostomiasis Heterophyiasis Metagonimiasis Nanophyetiasis Watsoniasis

B66.9 Fluke infection, unspecified B67 Echinococcosis

Includes: hydatidosis

  1. B67.0  Echinococcus granulosus infection of liver
  2. B67.1  Echinococcus granulosus infection of lung
  3. B67.2  Echinococcus granulosus infection of bone
  4. B67.3  Echinococcus granulosus infection, other and multiple sites B67.31 Echinococcus granulosus infection, thyroid gland B67.32 Echinococcus granulosus infection, multiple sites B67.39 Echinococcus granulosus infection, other sites
  5. B67.4  Echinococcus granulosus infection, unspecified Dog tapeworm (infection)
  6. B67.5  Echinococcus multilocularis infection of liver
  7. B67.6  Echinococcus multilocularis infection, other and multiple sites B67.61 Echinococcus multilocularis infection, multiple sites B67.69 Echinococcus multilocularis infection, other sites
  8. B67.7  Echinococcus multilocularis infection, unspecified
  9. B67.8  Echinococcosis, unspecified, of liver
  10. B67.9  Echinococcosis, other and unspecified

B67.90 Echinococcosis, unspecified

Echinococcosis NOS

B67.99 Other echinococcosis B68 Taeniasis

Excludes1: cysticercosis (B69.-) B68.0 Taenia solium taeniasis

Pork tapeworm (infection)

B68.1 Taenia saginata taeniasis

Beef tapeworm (infection)
Infection due to adult tapeworm Taenia saginata

B68.9 Taeniasis, unspecified

  1. B69  Cysticercosis
    cysticerciasis infection due to larval form of Taenia solium B69.0 Cysticercosis of central nervous system
    B69.1 Cysticercosis of eye
    B69.8 Cysticercosis of other sites
    B69.81 Myositis in cysticercosis B69.89 Cysticercosis of other sites B69.9 Cysticercosis, unspecified
  2. B70  Diphyllobothriasis and sparganosis B70.0 Diphyllobothriasis Diphyllobothrium (adult) (latum) (pacificum) infection Fish tapeworm (infection) Excludes2: larval diphyllobothriasis (B70.1) B70.1 Sparganosis Infection due to Sparganum (mansoni) (proliferum) Infection due to Spirometra larva
    Larval diphyllobothriasis
  3. B71  Other cestode infections B71.0 Hymenolepiasis Dwarf tapeworm infection Rat tapeworm (infection) B71.1 Dipylidiasis
    B71.8 Other specified cestode infections
    Coenurosis B71.9 Cestode infection, unspecified Tapeworm (infection) NOS
  4. B72  Dracunculiasis
    guinea worm infection infection due to Dracunculus medinensis
  5. B73  Onchocerciasis Includes: onchocerca volvulus infection onchocercosis river blindness B73.0 Onchocerciasis with eye disease
    B73.00 Onchocerciasis with eye involvement, unspecified B73.01 Onchocerciasis with endophthalmitis
    B73.02 Onchocerciasis with glaucoma
    B73.09 Onchocerciasis with other eye involvement

Infestation of eyelid due to onchocerciasis

B73.1 Onchocerciasis without eye disease

  1. B74  Filariasis Excludes2: onchocerciasis (B73)
    tropical (pulmonary) eosinophilia NOS (J82.89) B74.0 Filariasis due to Wuchereria bancrofti Bancroftian elephantiasis Bancroftian filariasis
    1. B74.1  Filariasis due to Brugia malayi
    2. B74.2  Filariasis due to Brugia timori
    3. B74.3  Loiasis Calabar swelling
      Eyeworm disease of Africa Loa loa infection
    B74.4 Mansonelliasis Infection due to Mansonella ozzardi Infection due to Mansonella perstans Infection due to Mansonella streptocerca B74.8 Other filariases Dirofilariasis B74.9 Filariasis, unspecified
  2. B75  Trichinellosis Includes: infection due to Trichinella species trichiniasis
  3. B76  Hookworm diseases Includes: uncinariasis B76.0 Ancylostomiasis Infection due to Ancylostoma species B76.1 Necatoriasis Infection due to Necator americanus B76.8 Other hookworm diseases B76.9 Hookworm disease, unspecified Cutaneous larva migrans NOS
  4. B77  Ascariasis
    ascaridiasis roundworm infection B77.0 Ascariasis with intestinal complications B77.8 Ascariasis with other complications B77.81 Ascariasis pneumonia
    B77.89 Ascariasis with other complications

B77.9 Ascariasis, unspecified

  1. B78  Strongyloidiasis Excludes1: trichostrongyliasis (B81.2) B78.0 Intestinal strongyloidiasis B78.1 Cutaneous strongyloidiasis B78.7 Disseminated strongyloidiasis B78.9 Strongyloidiasis, unspecified
  2. B79  Trichuriasis
    trichocephaliasis whipworm (disease)(infection)
  3. B80  Enterobiasis Includes: oxyuriasis pinworm infection threadworm infection
  4. B81  Other intestinal helminthiases, not elsewhere classified Excludes1: angiostrongyliasis due to: Angiostrongylus cantonensis (B83.2) Parastrongylus cantonensis (B83.2) B81.0 Anisakiasis Infection due to Anisakis larva B81.1 Intestinal capillariasis Capillariasis NOS
    Infection due to Capillaria philippinensis Excludes2: hepatic capillariasis (B83.8) B81.2 Trichostrongyliasis B81.3 Intestinal angiostrongyliasis Angiostrongyliasis due to: Angiostrongylus costaricensis Parastrongylus costaricensis B81.4 Mixed intestinal helminthiases Infection due to intestinal helminths classified to more than one of the categories B65.0-B81.3 and B81.8 Mixed helminthiasis NOS B81.8 Other specified intestinal helminthiases Infection due to Oesophagostomum species [esophagostomiasis] Infection due to Ternidens diminutus [ternidensiasis]
  5. B82  Unspecified intestinal parasitism
    B82.0 Intestinal helminthiasis, unspecified B82.9 Intestinal parasitism, unspecified
  6. B83  Other helminthiases
    capillariasis NOS (B81.1)

Excludes2: intestinal capillariasis (B81.1) B83.0 Visceral larva migrans


B83.1 Gnathostomiasis

Wandering swelling

B83.2 Angiostrongyliasis due to Parastrongylus cantonensis

Eosinophilic meningoencephalitis due to Parastrongylus cantonensis

Excludes2: intestinal angiostrongyliasis (B81.3) B83.3 Syngamiasis


B83.4 Internal hirudiniasis
external hirudiniasis (B88.3)

B83.8 Other specified helminthiases

Acanthocephaliasis Gongylonemiasis Hepatic capillariasis Metastrongyliasis Thelaziasis

B83.9 Helminthiasis, unspecified

Worms NOS
Excludes1: intestinal helminthiasis NOS (B82.0)

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