2025 ICD-10-CM code P35.9
Congenital viral disease, unspecified.
The medical necessity for this code is established by the presence of a congenital viral infection confirmed by clinical findings and laboratory testing (even if the specific virus remains unknown).
Diagnosing and treating the newborn with the congenital viral infection.
- 16 Certain conditions originating in the perinatal period
- P35-P39 Infections specific to the perinatal period
In simple words: A baby has a viral infection that was present at or before birth, but doctors don't know what specific virus caused it.
Congenital viral disease, unspecified. This code is used for viral infections acquired in utero or during birth when the specific virus is not identified.
Example 1: A newborn presents with symptoms suggestive of a viral infection, such as fever, lethargy, and poor feeding. Tests are inconclusive for specific viruses, but the clinical picture points to a congenital viral infection., A baby is born with microcephaly and other signs of congenital viral infection. Despite extensive testing, a specific viral cause is not determined., An infant develops signs of a viral infection shortly after birth.The mother had a nonspecific viral illness during pregnancy. Lab tests for common congenital viral infections are negative, and the specific virus remains unknown.
Documentation should include evidence of the viral infection, results of laboratory tests performed to identify the virus, and details about the onset and progression of symptoms. Any maternal history of viral illness during pregnancy should also be noted.
- Specialties:Neonatology, Pediatrics, Infectious Disease
- Place of Service:Inpatient Hospital, Birthing Center