B81.1 ICD-10-CM Code: Intestinal capillariasis
B81.1 is the billable ICD-10-CM code for “Intestinal capillariasis” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
B81.1Intestinal capillariasis
ICD-10-CM diagnosis code · United States clinical modification
Where B81.1 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Helminthiases (B65-B83)
- 3
Category B81
Other intestinal helminthiases, not elsewhere classified
- 4
Code B81.1
Intestinal capillariasis
Notes for this code
Inclusion terms
- Capillariasis NOS
- Infection due to Capillaria philippinensis
Code first
No “code first” instruction is listed for B81.1.
Use additional code
No “use additional code” instruction is listed for B81.1.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for B81.1.
Excludes2
Conditions not included here that may be reported separately when present.
- hepatic capillariasis (B83.8)
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code B81.1 mean?
B81.1 is the FY 2027 U.S. ICD-10-CM code for “Intestinal capillariasis.”
Is B81.1 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, B81.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is B81.1 located in ICD-10-CM?
B81.1 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Helminthiases (B65-B83) (B65–B83), under category B81, Other intestinal helminthiases, not elsewhere classified.
What coding notes are listed for B81.1?
Its listed inclusion terms are Capillariasis NOS; Infection due to Capillaria philippinensis. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: hepatic capillariasis (B83.8).