ICD-10-CM
ICD-10 code for Hookworm: B76.9
The ICD-10-CM index points "Hookworm" to B76 (Hookworm diseases), a header that is not billable. When nothing more specific is documented, the billable code is B76.9, Hookworm disease, unspecified.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
More specific codes in B76
A header groups codes and is not billed. A billable code is one you can report.
Related conditions
Related pages
- B76.9 code detailsNotes, nearby codes, CMS-HCC group
- Category B76Every code under it
- Chapter 1Certain infectious and parasitic diseases
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Hookworm?
The ICD-10-CM index points "Hookworm" to B76 (Hookworm diseases), a header that is not billable. When nothing more specific is documented, the billable code is B76.9, Hookworm disease, unspecified.
Is B76.9 billable?
Yes. B76.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is B76.9 in?
Chapter 1. Certain infectious and parasitic diseases.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.