P78.9
✓ BillablePerinatal digestive system disorder, unspecified
Certain conditions originating in the perinatal period (P00-P96)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • cystic fibrosis (E84.0-E84.9)
- • neonatal gastrointestinal hemorrhages (P54.0-P54.3)
Clinical Description
ICD-10-CM code P78.9 represents perinatal digestive system disorder, unspecified. This code falls under the Certain conditions originating in the perinatal period (P00-P96) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that P78.9 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code P78.9?
ICD-10-CM code P78.9 is "Perinatal digestive system disorder, unspecified". It belongs to the category: Certain conditions originating in the perinatal period (P00-P96).
Is P78.9 a billable ICD-10 code?
Yes, P78.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with P78.9?
P78.9 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in P78
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)