B66
⚠ Non-billable
Other fluke infections
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
B66
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code B66?
ICD-10-CM code B66 represents Other fluke infections. It is a non-billable header code requiring a more specific subcategory in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is B66 billable?
No. B66 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is B66 in?
B66 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the B66 category
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