B81.4 Mixed intestinal helminthiases
The ICD-10-CM code for Mixed intestinal helminthiases is B81.4 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- B65-B83: Helminthiases (B65-B83)
- Category B81
- 7 codes (6 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to B81.4:
- Helminthiasis › mixed types (intestinal) (types classifiable to more than one of the titles B65.0-B81.3 and B81.8)
- Helminthiasis › intestinal › mixed types (types classifiable to more than one of the titles B65.0-B81.3 and B81.8)
- Infection, infected, infective (opportunistic) › helminths › intestinal › mixed (types classifiable to more than one of the titles B65.0-B81.3 and B81.8)
- Infestation › helminth › intestinal › mixed (types classifiable to more than one of the titles B65.0-B81.3 and B81.8)
Inclusion Terms
- Infection due to intestinal helminths classified to more than one of the categories B65.0-B81.3 and B81.8
- Mixed helminthiasis NOS
U.S. Hospital Utilization
B81.4 appeared in too few sampled U.S. inpatient stays in 2022 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
HIV Infections (TOC entry)a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19
Infectious agents causing diseases in other chapters (TOC)b. Infectious agents as the cause of diseases classified to other chapters ................................. 22
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026