P78.3 — Noninfective neonatal diarrhea
P78.3 is a billable, specific ICD-10-CM code for noninfective neonatal diarrhea. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Neonatal diarrhea NOS
Other codes that can never be billed with P78.3
These codes carry an Excludes1 note pointing at P78.3. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading P78.3 alone.
Risk adjustment
P78.3 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 P78.3 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 P78.3.
- Diarrhea, diarrheal›neonatal(noninfectious)
Related codes at this level
Codes that share P78. If P78.3 is not quite right, the correct code is usually one of these.
Questions about P78.3
- Is P78.3 a billable ICD-10-CM code?
- Yes. P78.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does P78.3 sit in the tabular list?
- Certain conditions originating in the perinatal period (P00-P96), in the block Digestive system disorders of newborn (P76-P78).