P37.1
✓ BillableCongenital toxoplasmosis
Certain conditions originating in the perinatal period (P00-P96)
Also Known As
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • 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)
Clinical Description
ICD-10-CM code P37.1 represents congenital toxoplasmosis. This code falls under the Certain conditions originating in the perinatal period (P00-P96) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code P37.1?
ICD-10-CM code P37.1 is "Congenital toxoplasmosis". It belongs to the category: Certain conditions originating in the perinatal period (P00-P96).
Is P37.1 a billable ICD-10 code?
Yes, P37.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can P37.1 be coded with other codes?
P37.1 has 6 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in P37
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)