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v1.0.0
ICD-10 Guide
ICD-10 CodesP74.32

P74.32

Billable

Hypokalemia of newborn

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 P74.32 is a billable code used to indicate a diagnosis of hypokalemia of newborn.

Key Diagnostic Point:

Hypokalemia in newborns is characterized by low serum potassium levels, which can lead to various clinical manifestations including muscle weakness, respiratory distress, and cardiac arrhythmias. This condition is often transitory and can arise from several factors such as inadequate maternal potassium intake, excessive renal loss, or gastrointestinal losses. In neonates, hypokalemia may be exacerbated by conditions such as congenital adrenal hyperplasia or certain medications. Monitoring and managing electrolyte levels is crucial in the neonatal intensive care unit (NICU) setting, where infants are at higher risk due to their immature renal function and increased metabolic demands. Treatment typically involves potassium supplementation and addressing the underlying cause of the deficiency. It is essential for healthcare providers to recognize the signs and symptoms early to prevent complications associated with severe hypokalemia.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation among newborns
  • Need for precise electrolyte monitoring
  • Differential diagnosis with other metabolic disturbances
  • Documentation of underlying causes and treatment plans

Audit Risk Factors

  • Inadequate documentation of potassium levels
  • Failure to document the clinical rationale for treatment
  • Misclassification of hypokalemia severity
  • Omission of related conditions that may affect coding

Specialty Focus

Medical Specialties

Neonatology

Documentation Requirements

Detailed records of electrolyte levels, treatment protocols, and clinical observations.

Common Clinical Scenarios

Infants presenting with lethargy, poor feeding, or arrhythmias in the NICU.

Billing Considerations

Ensure accurate tracking of potassium supplementation and response to treatment.

Pediatrics

Documentation Requirements

Comprehensive history including maternal health and any medications taken during pregnancy.

Common Clinical Scenarios

Pediatric follow-up for infants discharged with a history of electrolyte imbalances.

Billing Considerations

Consideration of developmental milestones and ongoing monitoring of metabolic health.

Coding Guidelines

Inclusion Criteria

Use P74.32 When
  • Follow the ICD
  • CM guidelines for coding perinatal conditions, ensuring accurate documentation of the clinical scenario, treatment, and any underlying causes

Exclusion Criteria

Do NOT use P74.32 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

36415CPT Code

Collection of venous blood by venipuncture

Clinical Scenario

Used for obtaining blood samples to monitor electrolyte levels in newborns.

Documentation Requirements

Document the reason for blood draw and any relevant clinical findings.

Specialty Considerations

Neonatologists should ensure that the procedure is justified based on clinical indicators.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of neonatal conditions, including hypokalemia, which enhances the ability to track and manage these conditions effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of neonatal conditions, including hypokalemia, which enhances the ability to track and manage these conditions effectively.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of neonatal conditions, including hypokalemia, which enhances the ability to track and manage these conditions effectively.

Resources

Clinical References

  • •
    Neonatal Electrolyte Management Guidelines

Coding & Billing References

  • •
    Neonatal Electrolyte Management Guidelines

Frequently Asked Questions

What are the common causes of hypokalemia in newborns?

Common causes include inadequate maternal potassium intake, renal losses, gastrointestinal losses, and certain medications. It's crucial to assess the infant's clinical history and laboratory results to determine the underlying cause.