P83.4 Breast engorgement of newborn

Billable ICD-10-CM code, FY2026.

Applicable to

• Noninfective mastitis of newborn

Applies from P83 Other conditions of integument specific to newborn

Excludes1 (never code together)

• congenital malformations of skin and integument (Q80-Q84)
• hydrops fetalis due to hemolytic disease (P56.-)
• neonatal skin infection (P39.4)
• staphylococcal scalded skin syndrome (L00)

Excludes2 (not included here)

• cradle cap (L21.0)
• diaper [napkin] dermatitis (L22)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 778.7 Breast engorgement in newborn

Code annotations containing back-references to P83.4

Back-references to P83.4

• Type 1 Excludes: N62 Hypertrophy of breast ("breast engorgement of newborn (P83.4)")
• Type 1 Excludes: P39.0 Neonatal infective mastitis ("breast engorgement of newborn (P83.4)")
• Type 1 Excludes: P39.0 Neonatal infective mastitis ("noninfective mastitis of newborn (P83.4)")

Diagnosis Index entries for P83.4

• Engorgement › breast › newborn
• Hypertrophy, hypertrophic › breast › newborn
• Mastitis (acute) (diffuse) (nonpuerperal) (subacute) › neonatal (noninfective)
• Newborn (infant) (liveborn) (singleton) › breast engorgement
• Newborn (infant) (liveborn) (singleton) › mastitis › noninfective

Nearby codes

• P83.1 Neonatal erythema toxicum
• P83.2 Hydrops fetalis not due to hemolytic disease
• P83.3 Other and unspecified edema specific to newborn
• P83.30 Unspecified edema specific to newborn
• P83.39 Other edema specific to newborn
• P83.4 Breast engorgement of newborn (this code)
• P83.5 Congenital hydrocele
• P83.6 Umbilical polyp of newborn
• P83.8 Other specified conditions of integument specific to newborn
• P83.81 Umbilical granuloma
• P83.88 Other specified conditions of integument specific to newborn