P35.9
✓ Billable
Congenital viral disease, unspecified
ICD-10-CM · FY2026 · Certain Conditions Originating in the Perinatal Period
Code
P35.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Certain Conditions Originating in the Perinatal Period
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code P35.9?
ICD-10-CM code P35.9 represents Congenital viral disease, unspecified. It is a billable diagnosis code in the Certain Conditions Originating in the Perinatal Period chapter, effective October 1, 2025 – September 30, 2026.
Is P35.9 billable?
Yes. P35.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is P35.9 in?
P35.9 belongs to the Certain Conditions Originating in the Perinatal Period chapter (P00–P96) of ICD-10-CM.
Related codes in the P35 category
P35
Congenital viral diseases
Non-billable
P35.0
Congenital rubella syndrome
Billable
P35.1
Congenital cytomegalovirus infection
Billable
P35.2
Congenital herpesviral [herpes simplex] infection
Billable
P35.3
Congenital viral hepatitis
Billable
P35.4
Congenital Zika virus disease
Billable
P35.8
Other congenital viral diseases
Billable
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