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B81

Non-billable

Other intestinal helminthiases, not elsewhere classified

B81 is the ICD-10-CM code for Other intestinal helminthiases, not elsewhere classified. It is a non-billable category code — use a more specific child code such as B81.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
6
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

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. Parasites range in size from tiny, one-celled organisms called protozoa to worms that can be seen with the naked eye. Some parasitic diseases occur in the United States.…

Read more about Parasitic Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • •angiostrongyliasis due to:
  • •Angiostrongylus cantonensis (B83.2)
  • •Parastrongylus cantonensis (B83.2)

Frequently asked questions

What is ICD-10 code B81?
B81 is the ICD-10-CM code for "Other intestinal helminthiases, not elsewhere classified". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B81 a billable code?
No — B81 is a non-billable header code. Use a more specific child code (such as B81.0) for billing.
What are the subcodes of B81?
B81 has 6 more specific child codes, including B81.0, B81.1, B81.2.
What is excluded from B81?
Excludes1 (not coded here): angiostrongyliasis due to:; Angiostrongylus cantonensis (B83.2); Parastrongylus cantonensis (B83.2).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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