FY2027 ICD-10-CM reference
P78: Other perinatal digestive system disorders
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Other perinatal digestive system disorders. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
CMS-HCC V28
Not applicable to this nonbillable heading
CMS-HCC V24
Not applicable to this nonbillable heading
ESRD
Not applicable to this nonbillable heading
PACE
Not applicable to this nonbillable heading
RxHCC
Not applicable to this nonbillable heading
HHS-HCC
Not applicable to this nonbillable heading
More specific FY2027 codes
- P78.0: Perinatal intestinal perforationBillable code
- P78.1: Other neonatal peritonitisBillable code
- P78.2: Neonatal hematemesis and melena due to swallowed maternal bloodBillable code
- P78.3: Noninfective neonatal diarrheaBillable code
- P78.8: Other specified perinatal digestive system disordersNonbillable heading
- P78.9: Perinatal digestive system disorder, unspecifiedBillable code
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Instructional note
Codes from this chapter are for use on newborn records only, never on maternal records
Source: P00-P96 (chapter, inherited).
Includes
conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later
Source: P00-P96 (chapter, inherited).
Excludes2
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Source: P00-P96 (chapter, inherited).
Excludes2
endocrine, nutritional and metabolic diseases (E00-E88)
Source: P00-P96 (chapter, inherited).
Excludes2
injury, poisoning and certain other consequences of external causes (S00-T88)
Source: P00-P96 (chapter, inherited).
Excludes2
neoplasms (C00-D49)
Source: P00-P96 (chapter, inherited).
Excludes2
tetanus neonatorum (A33)
Source: P00-P96 (chapter, inherited).
Excludes1
cystic fibrosis (E84.0-E84.9)
Source: P78 (category, direct).
Excludes1
neonatal gastrointestinal hemorrhages (P54.0-P54.3)
Source: P78 (category, direct).
Compare the FY2027 additions, removals and billable-status changes
What does P78 mean in FY2027?
The official ICD-10-CM descriptor is Other perinatal digestive system disorders. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is P78 billable in FY2027?
The FY2027 order file marks P78 as a nonbillable heading. Select a complete billable child code.
Does P78 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.
Review the FY2026 April edition