A07.3 – Isosporiasis
ICD-10-CM 2027 diagnosis code · Intestinal infectious diseases
ICD-10-CM code
A07.3
- Code
A07.3(claims format:A073)- Description
- Isosporiasis
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A00-A09 Intestinal infectious diseases
- Parent codes
- A07
Notes for A07.3
Applicable to:
- Infection due to Isospora belli and Isospora hominis
- Intestinal coccidiosis
- Isosporosis
Index terms for A07.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in A07
Frequently asked questions
What is ICD-10 code A07.3?
A07.3 is the ICD-10-CM code for isosporiasis, in the block A00-A09 (Intestinal infectious diseases).
Is A07.3 a billable code?
Yes. A07.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A07.3 belong to?
It belongs to category A07 – Other protozoal intestinal diseases.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.