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    OpenPayerBilling CodesDisorders of newborn related to length of gestation and fetal growthICD-10-CM p08-disorders-of-newborn-long-gestation-high-birth-weight
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    ICD-10-CM Code For Disorders Of Newborn Related To Long Gestation And High Birth Weight: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group P08 includes diagnoses for newborn complications related to prolonged gestation and high birth weight, such as post-term infants and macrosomia. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving infants born after the expected gestational period or with excessive fetal growth, capturing severity and perinatal complications. Accurate coding within the ICD-10-CM P08 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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    ICD-10-CM P08: Disorders Of Newborn Related To Long Gestation And High Birth Weight Overview

    The diagnoses in the ICD-10-CM P08 group represent conditions in the newborn associated with prolonged gestation and excessive birth weight. These codes target perinatal conditions affecting infants born post-term or with high birth weight and can reflect complications related to delivery and neonatal adaptation. Accurate coding is important for complete clinical documentation and supports appropriate reimbursement for services related to newborn care.

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    When to Use

    Use a code from this group when documenting a newborn affected by post-term delivery or clinically significant high birth weight such as macrosomia. These codes apply when the clinician documents the relationship between gestational length or birth weight and the infant's medical condition.

    ICD-10-CM Codes

    4 rows

    ICD-10-CM CodeDescription
    P08.0Exceptionally large newborn baby
    P08.1Other heavy for gestational age newborn
    P08.21Post-term newborn
    P08.22Prolonged gestation of newborn

    DRG Codes

    1 rows

    DRG CodeDescription
    795Normal Newborn

    Typical Clinical Scenarios

    • A term neonate born to a mother with poorly controlled gestational diabetes presents within 24 hours of life with macrosomia noted at delivery, difficulty with shoulder delivery maneuvers, and transient respiratory distress requiring brief supplemental oxygen; the infant’s large size relative to gestational age and birth complications prompt assignment of a diagnosis reflecting high birth weight and related delivery issues. Typical codes: P08.1, P08.22.
    • A late-preterm infant delivered after prolonged pregnancy (post-term) with documented weight above the 90th percentile for gestational age is admitted to the newborn nursery for feeding difficulties and hypoglycemia monitoring; because the newborn’s condition is directly related to prolonged gestation and high birth weight, a code indicating macerated/long gestation or large-for-gestational-age status is used. Typical codes: P08.0, P08.21.
    • A neonate admitted to the NICU following a traumatic shoulder dystocia during delivery develops clavicle fracture and requires extended observation for orthopedic and metabolic complications; coding captures the association of the infant’s injuries and complications with macrosomia or high birth weight as the underlying perinatal factor. Typical codes: P08.1, P08.22.

    Related Codes

    P05-DISORDERS-OF-NEWBORN-RELATED-TO-SLOW-FETAL-GROWTH-AND-FETAL

    ICD-10-CM Code For Disorders Of Newborn Related To Slow Fetal Growth And Fetal Malnutrition: Group Overview

    P07-DISORDERS-OF-NEWBORN-SHORT-GESTATION

    ICD-10-CM Code For Disorders Of Newborn Related To Short Gestation And Low Birth Weight Not Elsewhere Classified: 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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