Is ICD-10-CM code P35 billable?

No, P35 (Congenital viral diseases) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code P35 belong to?

P35 belongs to Chapter 16 of the ICD-10-CM tabular list: P00–P96 (Certain Conditions Originating in the Perinatal Period).

P35

Non-Billable

ChapterP00–P96

Rankcategory

Description

Congenital viral diseases

About ICD-10-CM code P35

P35 is the ICD-10-CM diagnosis code for Congenital viral diseases. It sits in P00-P96 Certain Conditions Originating in the Perinatal Period, within Infections specific to the perinatal period (P35-P39). P35 is not billable on its own, coders must choose one of its more specific child codes instead.

Use a more specific code (7 billable)

P35.0Congenital rubella syndrome P35.1Congenital cytomegalovirus infection P35.2Congenital herpesviral [herpes simplex] infection P35.3Congenital viral hepatitis P35.4Congenital Zika virus disease P35.8Other congenital viral diseases P35.9Congenital viral disease, unspecified

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 16: Certain Conditions Originating in the Perinatal Period (P00-P96).

CH16 Parent Instructions

Includes

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. Code separately if applicable.)

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)

P35-P39 Parent Instructions

Includes

Infections acquired in utero, during birth via the umbilicus, or during the first 28 days after birth

Excludes2(Not included here. Code separately if applicable.)

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)

Instructional Notes

Includes

infections acquired in utero or during birth

Clinical Hierarchy

BillableHas subcodes

CH16Certain conditions originating in the perinatal period (P00-P96)

P35-P39Infections specific to the perinatal period (P35-P39)

P35Congenital viral diseasesNot billable

P35.0Congenital rubella syndromeBillable

P35.1Congenital cytomegalovirus infectionBillable

P35.2Congenital herpesviral [herpes simplex] infectionBillable

P35.3Congenital viral hepatitisBillable

P35.4Congenital Zika virus diseaseBillable

P35.8Other congenital viral diseasesBillable

P35.9Congenital viral disease, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to P35:

blockP35-P39

Infections specific to the perinatal period (P35-P39)

View context instructions

chapterCH16

Certain conditions originating in the perinatal period (P00-P96)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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