B81.8 ICD-10-CA code: Other specified intestinal helminthiases
B81.8 is the ICD-10-CA code for “Other specified intestinal helminthiases” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
B81.8Other specified intestinal helminthiases
ICD-10-CA · Canada · Also written B818
Index terms
Entries in CIHI’s alphabetical index that lead to B81.8. Searching the index by the condition the note names is how coders reach this code.
- Ternidensiasis
- Physalopteriasis
- Esophagostomiasis
- Infestation, Ternidens deminutus
- Infestation, Ternidens diminutus
- Infestation, Oesophagostomum (apiostomum)
- Ternidens deminutus infection or infestation
- Ternidens diminutus infection or infestation
- Helminthiasis, intestinal, specified type NEC
- Infestation, helminth, intestinal, specified type NEC
- Infestation, nematode NEC (intestinal), specified NEC
- Infection, infected (opportunistic), Ternidens deminutus
- Infection, infected (opportunistic), Ternidens diminutus
- Infection, infected (opportunistic), Oesophagostomum (apiostomum)
- Infection, infected (opportunistic), helminths, intestinal, specified type NEC
Notes for B81.8
As CIHI prints them, with any note B81.8 takes from the headings above it.
Includes
- Infection due to:• Oesophagostomum species [oesophagostomiasis]• Ternidens deminutus [ternidensiasis]• Ternidens diminutus [ternidensiasis]
- Diseases generally recognized as communicable or transmissibleFrom Chapter 1: Certain infectious and parasitic diseases (A00-B99)
Use additional code
Add a code for this detail when the note documents it.
- Use additional code (U82-U84) to identify resistance to antimicrobial drugsFrom Chapter 1: Certain infectious and parasitic diseases (A00-B99)
Excludes
Conditions classified elsewhere.
- Angiostrongyliasis due to:• Angiostrongylus cantonensis (B83.2)• Parastrongylus cantonensis (B83.2)From B81 Other intestinal helminthiases, not elsewhere classified
- Carrier or suspected carrier of infectious disease (Z22.-)certain localized infections - see body system-related chaptersinfectious and parasitic diseases:• complicating pregnancy, childbirth and the puerperium [except obstetrical tetanus] (O98.-)• specific to the perinatal period [except tetanus neonatorum, whooping cough, congenital syphilis, perinatal gonococcal infection and perinatal human immunodeficiency virus [HIV] disease] (P35-P39)influenza and other acute respiratory infections (J00-J22)From Chapter 1: Certain infectious and parasitic diseases (A00-B99)
Where B81.8 sits
- 1ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
- 2Block B65-B83Helminthiases
- 3Category B81Other intestinal helminthiases, not elsewhere classified
- 4Valid code B81.8Other specified intestinal helminthiases
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code B81.8 mean?
B81.8 is the ICD-10-CA code for “Other specified intestinal helminthiases” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is B81.8 in ICD-10-CA?
B81.8 sits under B81 Other intestinal helminthiases, not elsewhere classified, within B65-B83 Helminthiases, within Chapter 1: Certain infectious and parasitic diseases (A00-B99).
What coding notes apply to B81.8?
ICD-10-CA lists Includes, Excludes, Use additional code notes for B81.8, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.