B81: Other intestinal helminthiases, not elsewhere classified
Codes under B81 (Other intestinal helminthiases, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B81.0 | Anisakiasis | ✓ |
| B81.0 | Anisakiasis | ✓ |
| B81.1 | Intestinal capillariasis | ✓ |
| B81.1 | Intestinal capillariasis | ✓ |
| B81.2 | Trichostrongyliasis | ✓ |
| B81.2 | Trichostrongyliasis | ✓ |
| B81.3 | Intestinal angiostrongyliasis | ✓ |
| B81.3 | Intestinal angiostrongyliasis | ✓ |
| B81.4 | Mixed intestinal helminthiases | ✓ |
| B81.4 | Mixed intestinal helminthiases | ✓ |
| B81.8 | Other specified intestinal helminthiases | ✓ |
| B81.8 | Other specified intestinal helminthiases | ✓ |
Frequently asked questions
What is ICD-10-CM code B81?
B81 is an ICD-10-CM category covering Other intestinal helminthiases, not elsewhere classified. It contains 12 more specific diagnosis codes, 12 of which are billable.
Is B81 a billable code?
No — B81 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example B81.0 — Anisakiasis). 12 of the 12 codes under B81 are billable.
What codes fall under B81?
B81 includes B81.0, B81.0, B81.1, B81.1, B81.2, plus 7 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free