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ICD-10 Guide
ICD-10 CodesP74.3

P74.3

Billable

Disturbances of potassium balance of newborn

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

Code Description

ICD-10 P74.3 is a billable code used to indicate a diagnosis of disturbances of potassium balance of newborn.

Key Diagnostic Point:

Disturbances of potassium balance in newborns can manifest as either hyperkalemia (elevated potassium levels) or hypokalemia (low potassium levels). These imbalances can arise from various factors including maternal conditions, such as diabetes or renal disease, and can be exacerbated by the newborn's own physiological responses. Hyperkalemia can lead to serious complications such as cardiac arrhythmias, while hypokalemia may result in muscle weakness and respiratory distress. The newborn's immature renal function and the potential for rapid changes in fluid and electrolyte status make monitoring and management critical. Treatment often involves careful electrolyte replacement and monitoring, as well as addressing any underlying causes. It is essential for healthcare providers to recognize the signs and symptoms early to prevent severe outcomes. The management of potassium disturbances requires a multidisciplinary approach, including neonatologists, nurses, and dietitians, to ensure optimal care for the newborn.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation of potassium disturbances
  • Need for precise laboratory values and interpretation
  • Differentiation between primary and secondary causes
  • Potential for rapid changes in electrolyte status

Audit Risk Factors

  • Inadequate documentation of laboratory results
  • Failure to document maternal history impacting newborn's condition
  • Misclassification of electrolyte disturbances
  • Lack of follow-up documentation on treatment outcomes

Specialty Focus

Medical Specialties

Neonatology

Documentation Requirements

Detailed records of electrolyte levels, treatment protocols, and response to interventions.

Common Clinical Scenarios

Newborns presenting with lethargy, poor feeding, or arrhythmias due to electrolyte imbalances.

Billing Considerations

Consideration of gestational age and birth weight in assessing risk for electrolyte disturbances.

Pediatrics

Documentation Requirements

Comprehensive history including prenatal factors and postnatal assessments.

Common Clinical Scenarios

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

Billing Considerations

Monitoring for long-term effects of early electrolyte disturbances on growth and development.

Coding Guidelines

Inclusion Criteria

Use P74.3 When
  • Follow the official ICD
  • CM guidelines for coding electrolyte imbalances, ensuring accurate documentation of clinical findings and laboratory results
  • Specific criteria for newborns must be adhered to, including gestational age and birth weight considerations

Exclusion Criteria

Do NOT use P74.3 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 blood draws are performed with minimal distress to the infant.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of electrolyte disturbances, improving the accuracy of data collection and reimbursement processes. It emphasizes the importance of detailed documentation and clinical correlation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of electrolyte disturbances, improving the accuracy of data collection and reimbursement processes. It emphasizes the importance of detailed documentation and clinical correlation.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the importance of detailed documentation and clinical correlation.

Resources

Clinical References

  • •
    Neonatal Electrolyte Management Guidelines

Coding & Billing References

  • •
    Neonatal Electrolyte Management Guidelines

Frequently Asked Questions

What are the common causes of potassium disturbances in newborns?

Common causes include maternal diabetes, renal insufficiency, and rapid fluid shifts. Newborns may also experience disturbances due to medications or underlying congenital conditions.