| P78.0 | Perinatal intestinal perforation | BILLABLE CODE |
| P78.1 | Other neonatal peritonitis | BILLABLE CODE |
| P78.2 | Neonatal hematemesis and melena due to swallowed maternal blood | BILLABLE CODE |
| P78.3 | Noninfective neonatal diarrhea | BILLABLE CODE |
| P78.8 | Other specified perinatal digestive system disorders | NON-BILLABLE CODE |
| P78.81 | Congenital cirrhosis (of liver) | BILLABLE CODE |
| P78.82 | Peptic ulcer of newborn | BILLABLE CODE |
| P78.83 | Newborn esophageal reflux | BILLABLE CODE |
| P78.84 | Gestational alloimmune liver disease | BILLABLE CODE |
| P78.89 | Other specified perinatal digestive system disorders | BILLABLE CODE |
| P78.9 | Perinatal digestive system disorder, unspecified | BILLABLE CODE |
