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    v1.0.28
    OpenPayerBilling CodesDisorders of newborn related to length of gestation and fetal growthICD-10-CM p05-disorders-of-newborn-related-to-slow-fetal-growth-and-fetal
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    ICD-10-CM Code For Disorders Of Newborn Related To Slow Fetal Growth And Fetal Malnutrition: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group P05 includes newborn conditions related to slow fetal growth and fetal malnutrition, such as small for gestational age and low birth weight attributable to intrauterine growth restriction. These ICD-10-CM diagnosis codes are used to document neonatal growth impairment, assess severity, and capture related clinical complexity such as feeding difficulties and increased monitoring needs. Accurate coding within the ICD-10-CM P05 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM P05: Disorders Of Newborn Related To Slow Fetal Growth And Fetal Malnutrition Overview

    This code group captures newborn conditions resulting from restricted fetal growth and fetal malnutrition, affecting birth weight and neonatal adaptation. These diagnoses target neonatal growth status and nutritional compromise that may impact multiple organ systems and short-term outcomes. Accurate coding is important for complete clinical documentation and supports appropriate reimbursement for neonatal care.

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    When to Use

    Assign a code from this group when a newborn is identified as small for gestational age, has documented fetal malnutrition, or demonstrates low birth weight attributable to intrauterine growth restriction. Use these codes to reflect clinical findings at birth that influence neonatal management, monitoring, and resource use.

    ICD-10-CM Codes

    22 rows

    ICD-10-CM CodeDescription
    P05.00Newborn light for gestational age, unspecified weight
    P05.01Newborn light for gestational age, less than 500 grams
    P05.02Newborn light for gestational age, 500-749 grams
    P05.03Newborn light for gestational age, 750-999 grams
    P05.04Newborn light for gestational age, 1000-1249 grams
    P05.05Newborn light for gestational age, 1250-1499 grams
    P05.06Newborn light for gestational age, 1500-1749 grams
    P05.07Newborn light for gestational age, 1750-1999 grams
    P05.08Newborn light for gestational age, 2000-2499 grams
    P05.09Newborn light for gestational age, 2500 grams and over
    P05.10Newborn small for gestational age, unspecified weight
    P05.11Newborn small for gestational age, less than 500 grams
    P05.12Newborn small for gestational age, 500-749 grams
    P05.13Newborn small for gestational age, 750-999 grams
    P05.14Newborn small for gestational age, 1000-1249 grams
    P05.15Newborn small for gestational age, 1250-1499 grams
    P05.16Newborn small for gestational age, 1500-1749 grams
    P05.17Newborn small for gestational age, 1750-1999 grams
    P05.18Newborn small for gestational age, 2000-2499 grams
    P05.19Newborn small for gestational age, other

    Showing 1–20 of 22

    DRG Codes

    4 rows

    DRG CodeDescription
    791Prematurity with Major Problems
    793Full Term Neonate with Major Problems
    794Neonate with Other Significant Problems
    795Normal Newborn

    Typical Clinical Scenarios

    • A term newborn delivered after a pregnancy complicated by maternal hypertension and placental insufficiency is small for gestational age, with length and weight below the 10th percentile; the infant is evaluated in the newborn nursery for hypoglycemia and poor feeding on day 1 of life, and growth-restriction related to intrauterine compromise is documented as the cause. Typical codes: P05.1, P05.2
    • A preterm infant (born at 32 weeks) in the neonatal intensive care unit demonstrates symmetric low birth weight and signs of chronic intrauterine malnutrition with ongoing difficulty gaining weight, prompting nutritional assessment and monitoring; clinicians assign a code reflecting fetal malnutrition in a preterm neonate to guide feeding and growth planning. Typical codes: P05.00, P05.01, P05.09
    • A newborn presents to the emergency department with respiratory distress and a history of documented intrauterine growth restriction on prenatal ultrasound; because the infant’s low birth weight is a significant comorbidity affecting immediate management and prognosis, a code indicating slow fetal growth or fetal malnutrition is recorded alongside other neonatal problem codes. Typical codes: P05.4, P05.5

    Related Codes

    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

    P08-DISORDERS-OF-NEWBORN-LONG-GESTATION-HIGH-BIRTH-WEIGHT

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