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.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Flagellate diarrhea
- Protozoal colitis
- Protozoal diarrhea
- Protozoal dysentery
Risk adjustment
A07.9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How A07.9 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A07.9.
- 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
Related codes at this level
Codes that share A07. If A07.9 is not quite right, the correct code is usually one of these.
Questions about A07.9
- Is A07.9 a billable ICD-10-CM code?
- Yes. A07.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does A07.9 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Intestinal infectious diseases (A00-A09).