ICD-10-CM
ICD-10 code for Isosporiasis: A07.3
The closest CDC title for "Isosporiasis" is A07.3, Isosporiasis. A07.3 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under A07, then other CDC titles that name isosporiasis
A header groups codes and is not billed. A billable code is one you can report.
- A07Other protozoal intestinal diseasesHeader
- A07.0BalantidiasisBillable
- A07.1Giardiasis [lambliasis]Billable
- A07.2CryptosporidiosisBillable
- A07.3IsosporiasisBillable
- A07.4CyclosporiasisBillable
- A07.8Other specified protozoal intestinal diseasesBillable
- A07.9Protozoal intestinal disease, unspecifiedBillable
Related conditions
Related pages
- A07.3 code detailsNotes, nearby codes, CMS-HCC group
- Category A07Every 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 Isosporiasis?
The closest CDC title for "Isosporiasis" is A07.3, Isosporiasis. A07.3 is a billable code.
Is A07.3 billable?
Yes. A07.3 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is A07.3 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.