P78.3 Noninfective neonatal diarrhea

Billable ICD-10-CM code, FY2026.

Applicable to

• Neonatal diarrhea NOS

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)

• 777.8 Other specified perinatal disorders of digestive system (approximate)

Code annotations containing back-references to P78.3

Back-references to P78.3

• Type 1 Excludes: K52.9 Noninfective gastroenteritis and colitis, unspecified ("neonatal diarrhea (noninfective) (P78.3)")
• Type 2 Excludes: P37 Other congenital infectious and parasitic diseases ("noninfectious neonatal diarrhea (P78.3)")
• Type 1 Excludes: R19.7 Diarrhea, unspecified ("neonatal diarrhea (P78.3)")

Diagnosis Index entries for P78.3

• Diarrhea, diarrheal (disease) (infantile) (inflammatory) › neonatal (noninfectious)

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
• P78.3 Noninfective neonatal diarrhea (this code)
• 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
• P78.84 Gestational alloimmune liver disease