ICD-10 Code A07.8 – Other specified protozoal intestinal diseases (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code A07.8 – Other specified protozoal intestinal diseases
What it is
This code identifies intestinal illness caused by protozoa when the specific protozoal infection is not captured by another ICD-10-CM code. Use it for documented protozoal intestinal disease with a more specific named code unavailable.
Clinical signs
Clinical features vary; refer to documentation. Commonly, protozoal intestinal disease may present with diarrhea, abdominal pain, bloating, or malabsorption, but you should code only what the record supports.
When to use this code
Use A07.8 when the provider documents an intestinal protozoal infection that is specifically described as “other specified” or equivalent. It also fits when the organism is identified, but no more specific ICD-10-CM code applies. Verify the note for the exact diagnosis wording before assigning the code.
Do not use for
Do not use this code for protozoal infections with a distinct, more specific ICD-10-CM code. Do not use it when documentation is vague or non-protozoal; check documentation.
Coding tip
Match the code to the provider’s exact organism and wording, and default to a more specific code whenever one exists.