A08.4
A08.4 — Viral intestinal infection, unspecified
Billable / specific codeICD-10-CM
A08.4 is a billable, specific ICD-10-CM code for viral intestinal infection, unspecified. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Viral enteritis NOS
- Viral gastroenteritis NOS
- Viral gastroenteropathy NOS
Risk adjustment
A08.4 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 A08.4 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 A08.4.
- Dysentery, dysenteric›viral
- Enteritis›viral
- Flu›intestinal NEC
- Gastritis›viral NEC
- Gastroduodenitis›virus, viral
- Gastroenteritis›viral NEC
- Enteritis›infectious NOS›due to›virus NEC
Related codes at this level
Codes that share A08. If A08.4 is not quite right, the correct code is usually one of these.
Questions about A08.4
- Is A08.4 a billable ICD-10-CM code?
- Yes. A08.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does A08.4 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Intestinal infectious diseases (A00-A09).