P76 vs R18

P76 (Other intestinal obstruction of newborn) compared with R18 (Ascites), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. R18 carries an Excludes2 note covering P76: “newborn intestinal obstruction (P76.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

	P76Other intestinal obstruction of newborn	R18Ascites
Billing status	Non-billable header Report instead: P76.0, P76.1, P76.2, P76.8, P76.9	Non-billable header Report instead: R18.0, R18.8
Classification	P00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96)	R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99)
Definition	Other intestinal obstruction of newborn is a non-billable ICD-10-CM category code (P76).	Ascites is a non-billable ICD-10-CM category code (R18).
Includes	—	fluid in peritoneal cavity

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources