P37 – Other congenital infectious and parasitic diseases

ICD-10-CM 2027 diagnosis code · Infections specific to the perinatal period

Non-billable header

ICD-10-CM code P37

Code: P37 (claims format: P37)
Description: Other congenital infectious and parasitic diseases
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 16. Certain conditions originating in the perinatal period (P00-P96)
Block: P35-P39 Infections specific to the perinatal period

Billable codes under P37

P37 is a header code and cannot be used on claims. Choose the most specific code:

P37.0 – Congenital tuberculosisBillable
P37.1 – Congenital toxoplasmosisBillable
P37.2 – Neonatal (disseminated) listeriosisBillable
P37.3 – Congenital falciparum malariaBillable
P37.4 – Other congenital malariaBillable
P37.5 – Neonatal candidiasisBillable
P37.8 – Other specified congenital infectious and parasitic diseasesBillable
P37.9 – Congenital infectious or parasitic disease, unspecifiedBillable

Notes for P37

Excludes2 (not included here):

congenital syphilis (A50.-)
infectious neonatal diarrhea (A00-A09)
necrotizing enterocolitis in newborn (P77.-)
noninfectious neonatal diarrhea (P78.3)
ophthalmia neonatorum due to gonococcus (A54.31)
tetanus neonatorum (A33)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block P35-P39

Applicable to:

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

Excludes2 (not included here):

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)

Frequently asked questions

What is ICD-10 code P37?

P37 is the ICD-10-CM code for other congenital infectious and parasitic diseases, in the block P35-P39 (Infections specific to the perinatal period).

Is P37 a billable code?

No. P37 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.