B81
ICD-10Non-billable categoryOther intestinal helminthiases, not elsewhere classified
Official ICD-10-CM descriptor (FY2026)
Other intestinal helminthiases, not elsewhere classified
B81 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- angiostrongyliasis due to:
- Angiostrongylus cantonensis (B83.2)
- Parastrongylus cantonensis (B83.2)
More specific codes under B81
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.