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P78.1

Billable

Other neonatal peritonitis

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Inflammation of the peritoneum (abdominal lining) in a newborn caused by non-infectious sources such as perforation or chemical irritation.

Coding Tips

  • •Confirm the peritonitis is noninfectious; if bacterial or viral infection is present, use infectious peritonitis codes instead
  • •Document the underlying cause (e.g., perforation, meconium peritonitis) and code it separately if applicable

Code Hierarchy

└P78Other perinatal digestive system disorders└P78.1Other neonatal peritonitis
└P78.1Other neonatal peritonitis

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