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v1.0.0
ICD-10 Guide
DiagnosesElectrolyte Imbalance

Electrolyte Imbalance

ICD-10 Coding for Electrolyte Imbalance(E87.0, E87.5, E87.6)

PRIMARY SPECIALTYInternal Medicine
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Electrolyte Imbalance?
Essential facts and insights about Electrolyte Imbalance

Clinical Information

Coding Guidelines

Usage Guidelines & Examples

    Related ICD-10 Codes

    Differential Codes
    E86.0
    E86.0
    when dehydration is the primary condition causing hypernatremia.
    E87.6
    E87.6
    when potassium levels are low (<3.5 mEq/L).
    E87.5
    E87.5
    when potassium levels are high (>5.0 mEq/L).

    Related CPT Codes

    CPT codes will be available in a future update.

    Specialty Focus

    Primary Specialty

    Internal Medicine

    Coding Complexity

    High Complexity

    This diagnosis requires careful attention to:

    • Comprehensive clinical documentation
    • Accurate code selection based on clinical criteria
    • Proper exclusion considerations
    • Specialty-specific coding guidelines

    Documentation

    Documentation Templates

    Billing Information

    Billing Considerations

    • Ensure proper documentation for billing
    • Verify code specificity requirements
    • Check for any additional codes needed
    • Review payer-specific guidelines

    Common Issues

    • Insufficient clinical documentation
    • Incorrect code selection
    • Missing supporting diagnoses
    • Timing and frequency documentation