P35.9 Congenital viral disease, unspecified

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

Applies from P35 Congenital viral diseases

Includes

• infections acquired in utero or during birth

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 771.2 Other congenital infections specific to the perinatal period (approximate)

Code annotations containing back-references to P35.9

Back-references to P35

• 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 P35.9

• Disease, diseased › infectious, infective › congenital › viral
• Disease, diseased › viral, virus › congenital
• Infection, infected, infective (opportunistic) › congenital › virus

Nearby codes

• P35.1 Congenital cytomegalovirus infection
• P35.2 Congenital herpesviral [herpes simplex] infection
• P35.3 Congenital viral hepatitis
• P35.4 Congenital Zika virus disease
• P35.8 Other congenital viral diseases
• P35.9 Congenital viral disease, unspecified (this code)