2026 ICD-10-CM Diagnosis Code P35Congenital viral diseases

ICD-10-CM Codes›P00–P96›P35-P39›P35

ICD-10-CM P35
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P35 is a non-billable ICD-10-CM category code for congenital viral diseases, so it cannot be submitted on claims. Use a more specific code from this category instead, such as P35.0, P35.1, P35.2, and P35.3.

Code Identity

ICD-10-CM Code
P35
Billable Status
No — Non-Billable Category
Code Describes
Congenital viral diseases
Short Description
Congenital viral diseases
Same as the full description in the CMS dataset.
Chapter
P35-P39
Infections specific to the perinatal period

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP35-P39Infections specific to the perinatal period
CategoryP35Congenital viral diseases
This CodeP35Congenital viral diseases

Specific Coding for Congenital viral diseasesOverview

Non-specific codes like P35 require more characters. Use one of these billable codes instead:

  • Use P35.0 for Congenital rubella syndrome

  • Use P35.1 for Congenital cytomegalovirus infection

  • Use P35.2 for Congenital herpesviral [herpes simplex] infection

  • Use P35.3 for Congenital viral hepatitis

  • Use P35.4 for Congenital Zika virus disease

  • Use P35.8 for Other congenital viral diseases

  • Use P35.9 for Congenital viral disease, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • infections acquired in utero or during birth

Patient EducationClinical

Uncommon Infant and Newborn Problems

It can be scary when your baby is sick, especially when it is not an everyday problem like a cold or a fever. You may not know whether the problem is serious or how to treat it. If you have concerns about your baby's health, call your health care provider right away.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About P35Overview

Is P35 (Congenital viral diseases) a billable code?

No. This is a category header that groups the codes for congenital viral diseases, and headers cannot be submitted on claims. Claims for congenital viral diseases need a more specific code from this category, such as P35.0, P35.1, and P35.2.