B81.3Billable

Intestinal angiostrongyliasis

Chapter
1. Certain infectious and parasitic diseases
Category
B81
Effective date
October 1, 2026

Related codes in category B81

B81Other intestinal helminthiases, not elsewhere classifiedB81.0AnisakiasisYesB81.1Intestinal capillariasisYesB81.2TrichostrongyliasisYesB81.4Mixed intestinal helminthiasesYesB81.8Other specified intestinal helminthiasesYes

Frequently asked questions

What is ICD-10 code B81.3?

B81.3 is an ICD-10-CM diagnosis code for Intestinal angiostrongyliasis.

Is B81.3 a billable code?

Yes. B81.3 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is B81.3 in?

B81.3 falls under Chapter 1: Certain infectious and parasitic diseases.

When did B81.3 become effective?

B81.3 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to B81.3?

B81.3 belongs to category B81, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.