MCMedicalCodingSoftware
A07.9

A07.9: Protozoal intestinal disease, unspecified

Billable / specific codeICD-10-CM

A07.9 is a billable, specific ICD-10-CM code for protozoal intestinal disease, unspecified. It is valid for submission on a claim.

Check A07.9 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Flagellate diarrhea
  • Protozoal colitis
  • Protozoal diarrhea
  • Protozoal dysentery

Other codes that can never be billed with A07.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Colitis›protozoal
  • Diarrhea, diarrheal›flagellate
  • Diarrhea, diarrheal›protozoal
  • Dysentery, dysenteric›protozoal
  • Enteritis›protozoal
  • Infection, infected, infective›flagellate, intestinal
  • Disease, diseased›intestine›protozoal
  • Disease, diseased›protozoal›intestine, intestinal
  • Infection, infected, infective›protozoal NEC›intestinal
  • Infestation›protozoal NEC›intestinal

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A07

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.