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    OpenPayerBilling CodesTransitory endocrine and metabolic disorders specific to newbornICD-10-CM p74-other-transitory-neonatal-electrolyte-disturbances
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    ICD-10-CM Code For Other Transitory Neonatal Electrolyte And Metabolic Disturbances: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group P74 includes transient neonatal electrolyte and metabolic disturbances such as neonatal hypocalcemia, transient neonatal hypoglycemia, and other short-term metabolic imbalances specific to the newborn period. These ICD-10-CM diagnosis codes are used to document acute, typically self-limited metabolic and electrolyte abnormalities in neonates, capturing clinical severity, related organ effects, and treatment complexity when present. Accurate coding within the ICD-10-CM P74 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM P74: Other Transitory Neonatal Electrolyte And Metabolic Disturbances Overview

    This group represents transient electrolyte and metabolic imbalances occurring in the neonatal period that are not classified elsewhere, affecting newborn metabolic homeostasis and fluid–electrolyte status. Conditions in this group typically involve disturbances such as transient neonatal hypocalcemia, hypoglycemia not elsewhere specified, and other short-term metabolic derangements. Accurate coding is important for complete clinical documentation and supports correct reimbursement by reflecting the newborn's clinical complexity.

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    When to Use

    Use a code from this group when documenting an acute, typically transient metabolic or electrolyte imbalance identified in a newborn that does not have a more specific code elsewhere. Codes are selected when the disturbance is clinically assessed during the neonatal period and is the focus of treatment or affects care management.

    ICD-10-CM Codes

    14 rows

    ICD-10-CM CodeDescription
    P74.0Late metabolic acidosis of newborn
    P74.1Dehydration of newborn
    P74.21Hypernatremia of newborn
    P74.22Hyponatremia of newborn
    P74.31Hyperkalemia of newborn
    P74.32Hypokalemia of newborn
    P74.41Alkalosis of newborn
    P74.421Hyperchloremia of newborn
    P74.422Hypochloremia of newborn
    P74.49Other transitory electrolyte disturbance of newborn
    P74.5Transitory tyrosinemia of newborn
    P74.6Transitory hyperammonemia of newborn
    P74.8Other transitory metabolic disturbances of newborn
    P74.9Transitory metabolic disturbance of newborn, 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 term neonate born after an uncomplicated delivery develops poor feeding, lethargy, and jitteriness on day 2 of life; laboratory testing reveals serum calcium of 6.5 mg/dL and normal glucose and electrolytes. The infant is admitted for monitoring and calcium supplementation while evaluating for causes of neonatal hypocalcemia; a transitory neonatal hypocalcemia diagnosis is assigned. Typical codes: P74.0, P74.9
    • A preterm infant in the NICU receiving enteral feeds presents with recurrent apnea and seizures on day 5; labs show serum sodium of 128 mmol/L and decreased urine output. The clinical team treats the acute hyponatremia, adjusts fluids and sodium intake, and documents a transitory electrolyte disturbance of the newborn as the immediate metabolic problem. Typical codes: P74.21, P74.22
    • A newborn who required therapeutic cooling for perinatal asphyxia develops persistent metabolic abnormalities including transient neonatal hyperglycemia and hypomagnesemia during the first week, prolonging NICU stay as a comorbid metabolic issue to the hypoxic-ischemic encephalopathy. The metabolic derangements are coded as transitory neonatal electrolyte and metabolic disturbances occurring alongside the primary condition. Typical codes: P74.31, P74.32

    Related Codes

    P70-TRANSITORY-CARBOHYDRATE-DISORDERS-NEWBORN

    ICD-10-CM Code For Transitory Disorders Of Carbohydrate Metabolism Specific To Newborn: Group Overview

    P71-TRANSITORY-NEONATAL-CALCIUM-MAGNESIUM-DISORDERS

    ICD-10-CM Code For Transitory Neonatal Disorders Of Calcium And Magnesium Metabolism: Group Overview

    P72-OTHER-TRANSITORY-NEONATAL-ENDOCRINE-DISORDERS

    ICD-10-CM Code For Other Transitory Neonatal Endocrine Disorders: 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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