2027 ICD-10-CM Diagnosis Code P35Congenital viral diseases

ICD-10-CM Codes›P00–P96›P35-P39›P35

ICD-10-CM P35
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to P35: its own notes plus those printed at block P35-P39 and Chapter 16. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

On P35 itself
  • infections acquired in utero or during birth
From Chapter 16 (P00-P96) Certain conditions originating in the perinatal period applies to 463 codes
  • conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block P35-P39 Infections specific to the perinatal period applies to 34 codes
  • asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
  • congenital gonococcal infection (A54.-)
  • congenital pneumonia (P23.-)
  • congenital syphilis (A50.-)
  • human immunodeficiency virus [HIV] disease (B20)
  • infant botulism (A48.51)
  • infectious diseases not specific to the perinatal period (A00-B99, J09, J10.-)
  • intestinal infectious disease (A00-A09)
  • laboratory evidence of human immunodeficiency virus [HIV] (R75)
  • tetanus neonatorum (A33)
From Chapter 16 (P00-P96) Certain conditions originating in the perinatal period applies to 463 codes
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • tetanus neonatorum (A33)

Notes

General instructions on how these codes are used.

From Chapter 16 (P00-P96) Certain conditions originating in the perinatal period applies to 463 codes
  • Codes from this chapter are for use on newborn records only, never on maternal records

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name P35, its category, or a range that includes it.

Excludes2 2

These codes carry an Excludes2 note naming P35: its condition is not part of those codes, and both may be reported when the patient has both.

  • Chapter 1 (A00-B99) Certain infectious and parasitic diseases
    infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • P00.2 Newborn affected by maternal infectious and parasitic diseases
    infections specific to the perinatal period (P35-P39)

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About P35Overview

What is the ICD-10 code for congenital viral diseases?

P35 is the ICD-10-CM category for congenital viral diseases, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.