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ICD-10 Guide
ICD-10 CodesN07.3

N07.3

Billable

Hereditary nephropathy, not elsewhere classified with diffuse mesangial proliferative glomerulonephritis

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/18/2025

Code Description

ICD-10 N07.3 is a billable code used to indicate a diagnosis of hereditary nephropathy, not elsewhere classified with diffuse mesangial proliferative glomerulonephritis.

Key Diagnostic Point:

N07.3 refers to a specific type of hereditary nephropathy characterized by diffuse mesangial proliferative glomerulonephritis. This condition is often associated with genetic mutations that affect kidney function, leading to proteinuria and potential progression to chronic kidney disease. Patients typically present with isolated proteinuria, which may be detected during routine urinalysis. The diffuse mesangial proliferation indicates an increase in mesangial cells within the glomeruli, which can be identified through renal biopsy. This condition is not classified under other specific nephropathies, making it essential for accurate coding to ensure proper management and treatment. Genetic testing may be warranted to identify specific hereditary factors contributing to the nephropathy, guiding treatment options and family counseling. The complexity of this condition lies in its genetic basis and the need for thorough documentation to support the diagnosis and any associated treatments.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of genetic implications in nephropathy.
  • Differentiation from other glomerular disorders.
  • Need for precise documentation of proteinuria levels.
  • Potential for co-existing conditions affecting coding.

Audit Risk Factors

  • Inadequate documentation of genetic testing results.
  • Failure to specify the type of proteinuria.
  • Misclassification with other nephropathies.
  • Lack of supporting clinical evidence for hereditary diagnosis.

Specialty Focus

Medical Specialties

Nephrology

Documentation Requirements

Detailed renal function tests, biopsy results, and genetic testing documentation.

Common Clinical Scenarios

Patients presenting with unexplained proteinuria or family history of kidney disease.

Billing Considerations

Ensure clear documentation of hereditary factors and any associated symptoms.

Genetics

Documentation Requirements

Genetic testing results and family history documentation.

Common Clinical Scenarios

Patients undergoing genetic counseling for hereditary kidney disease.

Billing Considerations

Document the rationale for genetic testing and results interpretation.

Coding Guidelines

Inclusion Criteria

Use N07.3 When
  • Follow official ICD
  • 10 coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Include any relevant laboratory results and genetic testing outcomes

Exclusion Criteria

Do NOT use N07.3 When
  • Exclude conditions that are not hereditary or do not involve mesangial proliferation

Related ICD-10 Codes

Related CPT Codes

88305CPT Code

Pathology examination of renal biopsy

Clinical Scenario

Used when a renal biopsy is performed to confirm diffuse mesangial proliferation.

Documentation Requirements

Pathology report detailing findings and correlation with clinical diagnosis.

Specialty Considerations

Nephrologists should ensure biopsy results are clearly linked to the diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of hereditary nephropathies, improving the accuracy of diagnoses and treatment plans. N07.3 provides a clear classification for conditions that were previously less defined in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of hereditary nephropathies, improving the accuracy of diagnoses and treatment plans. N07.3 provides a clear classification for conditions that were previously less defined in ICD-9.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of hereditary nephropathies, improving the accuracy of diagnoses and treatment plans. N07.3 provides a clear classification for conditions that were previously less defined in ICD-9.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the significance of genetic testing in N07.3?

Genetic testing is crucial in N07.3 as it helps identify specific hereditary factors contributing to the nephropathy, guiding treatment options and informing family members about potential risks.