B81.1
Billable

Intestinal capillariasis

Billable / Specific Code

What is Intestinal capillariasis?

ICD-10-CM B81.1 is the diagnosis code for Intestinal capillariasis. This code falls under the section "Helminthiases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
â„šī¸ Excludes2

Coding Guidelines for B81.1

✅ This Code Includes

  • Capillariasis NOS
  • Infection due to Capillaria philippinensis

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in B81.1. If the patient has both, code each condition separately:

  • hepatic capillariasis (B83.8)

ICD-10-CM Code Hierarchy

Understanding where B81.1 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is B81.1 a billable ICD-10-CM code?

Yes, B81.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does B81.1 mean?

B81.1 is the ICD-10-CM diagnosis code for "Intestinal capillariasis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of B81.1?

The parent code of B81.1 is B81 ("Other intestinal helminthiases, not elsewhere classified"). B81.1 provides a more specific classification within this category.

What section is B81.1 in?

B81.1 is located in Section B65-B83 — "Helminthiases" within Chapter 1 of the ICD-10-CM Tabular List.

When should I use B81.1?

Use B81.1 when the patients documented diagnosis matches "Intestinal capillariasis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Intestinal capillariasis?

The ICD-10-CM code for Intestinal capillariasis is B81.1.

Can B81.1 be used for primary diagnosis?

Yes, B81.1 can be used as a primary diagnosis code since it is billable and specific.

What chapter is B81.1 in?

B81.1 is in Chapter 1 of the ICD-10-CM Tabular List.

Is B81.1 valid for 2026?

Yes, B81.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousB81.0AnisakiasisNext →B81.2Trichostrongyliasis
Code Details
B81.1
Intestinal capillariasis
Billable / Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
B65-B83 — Helminthiases
2026 ICD-10-CM