P78.2 Neonatal hematemesis and melena due to swallowed maternal blood

Billable ICD-10-CM code, FY2026.

Applies from P78 Other perinatal digestive system disorders

Excludes1 (never code together)

• cystic fibrosis (E84.0-E84.9)
• neonatal gastrointestinal hemorrhages (P54.0-P54.3)

MS-DRG index

Defines the logic of DRG(s) 794 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 777.3 Hematemesis and melena of newborn due to swallowed maternal blood

Code annotations containing back-references to P78.2

Back-references to P78.2

• Type 1 Excludes: P54.0 Neonatal hematemesis ("neonatal hematemesis due to swallowed maternal blood (P78.2)")
• Type 1 Excludes: P54.1 Neonatal melena ("neonatal melena due to swallowed maternal blood (P78.2)")

Diagnosis Index entries for P78.2

• Hematemesis › newborn, neonatal › due to swallowed maternal blood
• Melena › due to swallowed maternal blood
• Melena › newborn, neonatal › due to swallowed maternal blood
• Syndrome › swallowed blood

Nearby codes

• P78 Other perinatal digestive system disorders
• P78.0 Perinatal intestinal perforation
• P78.1 Other neonatal peritonitis
• P78.2 Neonatal hematemesis and melena due to swallowed maternal blood (this code)
• P78.3 Noninfective neonatal diarrhea
• P78.8 Other specified perinatal digestive system disorders
• P78.81 Congenital cirrhosis (of liver)
• P78.82 Peptic ulcer of newborn
• P78.83 Newborn esophageal reflux