P39.9 Infection specific to the perinatal period, unspecified

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from P39 Other infections specific to the perinatal period

Use additional code

• code to identify organism or specific infection

MS-DRG index

Defines the logic of DRG(s) 791 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 771.89 Other infections specific to the perinatal period (approximate)

Code annotations containing back-references to P39.9

Back-references to P39

• Type 2 Excludes: P00.2 Newborn affected by maternal infectious and parasitic diseases ("infections specific to the perinatal period (P35-P39)")

Diagnosis Index entries for P39.9

• Infection, infected, infective (opportunistic) › congenital
• Infection, infected, infective (opportunistic) › newborn
• Infection, infected, infective (opportunistic) › perinatal period
• Newborn (infant) (liveborn) (singleton) › infection

Nearby codes

• P39.1 Neonatal conjunctivitis and dacryocystitis
• P39.2 Intra-amniotic infection affecting newborn, not elsewhere classified
• P39.3 Neonatal urinary tract infection
• P39.4 Neonatal skin infection
• P39.8 Other specified infections specific to the perinatal period
• P39.9 Infection specific to the perinatal period, unspecified (this code)