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    OpenPayerBilling CodesInfections specific to the perinatal periodICD-10-CM p37-other-congenital-infections
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    ICD-10-CM Code For Other Congenital Infectious And Parasitic Diseases: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group P37 includes congenital infections and parasitic diseases present at birth, such as infections transmitted in utero or during delivery that cause clinically significant neonatal disease. These ICD-10-CM diagnosis codes are used to document newborns with infectious or parasitic conditions that impact organ systems, disease severity, and the need for specialized neonatal care. Accurate coding within the ICD-10-CM P37 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM P37: Other Congenital Infectious And Parasitic Diseases Overview

    The ICD-10-CM P37 group includes congenital infections and parasitic conditions present at birth that can affect multiple organ systems, most often involving the neonate's nervous system, hematologic system, or other vital organs. These diagnoses represent perinatal infectious exposures or congenital transmission leading to clinically significant disease in newborns. Accurate coding ensures the clinical picture is captured for surveillance and supports reimbursement processes tied to complexity of care.

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    When to Use

    Use a code from this group when a newborn is diagnosed with a congenital infectious or parasitic disease documented as present at birth or acquired in the perinatal period. Assign codes that reflect the specific organism, clinical manifestations, and any associated complications to capture severity and resource needs.

    ICD-10-CM Codes

    8 rows

    ICD-10-CM CodeDescription
    P37.0Congenital tuberculosis
    P37.1Congenital toxoplasmosis
    P37.2Neonatal (disseminated) listeriosis
    P37.3Congenital falciparum malaria
    P37.4Other congenital malaria
    P37.5Neonatal candidiasis
    P37.8Other specified congenital infectious and parasitic diseases
    P37.9Congenital infectious or parasitic disease, unspecified

    DRG Codes

    3 rows

    DRG CodeDescription
    791Prematurity with Major Problems
    793Full Term Neonate with Major Problems
    794Neonate with Other Significant Problems

    Typical Clinical Scenarios

    • A full-term neonate, aged 2 days, presents to the newborn nursery with poor feeding, temperature instability, respiratory distress, and apnea after a prolonged membrane rupture and maternal chorioamnionitis. Blood and cerebrospinal fluid cultures are obtained and the infant is started on empiric antibiotics while cultures later grow group B Streptococcus; a perinatal infection diagnosis from this group is assigned for the confirmed neonatal bacterial sepsis. Typical codes: P37.1, P37.0
    • A preterm infant in the NICU develops progressive hepatosplenomegaly, thrombocytopenia, and conjugated hyperbilirubinemia in the first week of life after maternal history of untreated syphilis in pregnancy; confirmatory serologic testing supports congenital treponemal infection, and the newborn requires parenteral antibiotic therapy and monitoring for sequelae. Because the presentation is a congenital infection manifesting in the perinatal period, a code from this group is used. Typical codes: P37.2, P37.8
    • A term newborn with signs of pneumonia and systemic inflammatory response is readmitted from home on day 10 of life after developing fever and poor feeding; blood cultures identify a fungal pathogen transmitted perinatally, and the neonate is managed for invasive fungal infection as a complication of the perinatal period. A code from this group is assigned to reflect the perinatally acquired infectious etiology complicating the neonatal course. Typical codes: P37.4, P37.8

    Related Codes

    P35-CONGENITAL-VIRAL-DISEASES

    ICD-10-CM Code For Congenital Viral Diseases: Group Overview

    P36-BACTERIAL-SEPSIS-OF-NEWBORN

    ICD-10-CM Code For Bacterial Sepsis Of Newborn: Group Overview

    P38-OMPHALITIS-OF-NEWBORN

    ICD-10-CM Code For Omphalitis Of Newborn: Group Overview

    P39-OTHER-INFECTIONS-PERINATAL

    ICD-10-CM Code For Other Infections Specific To The Perinatal Period: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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