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v1.0.0
ICD-10 Guide
ICD-10 CodesN07.2

N07.2

Billable

Hereditary nephropathy, not elsewhere classified with diffuse membranous glomerulonephritis

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

Code Description

ICD-10 N07.2 is a billable code used to indicate a diagnosis of hereditary nephropathy, not elsewhere classified with diffuse membranous glomerulonephritis.

Key Diagnostic Point:

N07.2 refers to a specific type of hereditary nephropathy characterized by diffuse membranous glomerulonephritis, a condition where the glomeruli (the filtering units of the kidney) become inflamed and thickened due to the deposition of immune complexes. This condition can lead to isolated proteinuria, which is the presence of excess protein in the urine without significant hematuria (blood in urine) or renal impairment. The hereditary aspect indicates a genetic predisposition, often linked to mutations in genes responsible for kidney function. Patients may present with symptoms such as edema, hypertension, and varying degrees of renal dysfunction. Genetic testing may be warranted to identify specific mutations associated with the nephropathy, which can guide management and family planning. The complexity of this condition lies in its varied presentation and the need for thorough genetic evaluation to differentiate it from other glomerular disorders.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Need for genetic testing to confirm hereditary nature
  • Differentiation from other types of glomerulonephritis
  • Potential for overlapping symptoms with other renal conditions
  • Documentation of family history and genetic predisposition

Audit Risk Factors

  • Inadequate documentation of genetic testing results
  • Failure to document family history of nephropathy
  • Misclassification of nephropathy type
  • Lack of supporting clinical evidence for diagnosis

Specialty Focus

Medical Specialties

Nephrology

Documentation Requirements

Detailed clinical notes including lab results, imaging studies, and genetic testing outcomes.

Common Clinical Scenarios

Patients presenting with proteinuria, edema, and hypertension; family history of kidney disease.

Billing Considerations

Ensure comprehensive documentation of renal function tests and any interventions performed.

Genetics

Documentation Requirements

Genetic testing results, family pedigree charts, and clinical correlation with nephrology findings.

Common Clinical Scenarios

Patients with a family history of hereditary nephropathy seeking genetic counseling.

Billing Considerations

Document the rationale for genetic testing and any implications for family members.

Coding Guidelines

Inclusion Criteria

Use N07.2 When
  • According to ICD
  • 10 guidelines, N07
  • 2 should be used when the nephropathy is hereditary and not classified elsewhere
  • Documentation must support the diagnosis, including genetic testing results and clinical findings

Exclusion Criteria

Do NOT use N07.2 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

81220CPT Code

Genetic testing for hereditary nephropathy

Clinical Scenario

When a patient is suspected of having hereditary nephropathy based on clinical presentation.

Documentation Requirements

Document the indication for testing and results.

Specialty Considerations

Nephrology specialists should ensure that genetic testing is 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 data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of hereditary nephropathies, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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 N07.2?

Genetic testing is crucial for confirming the hereditary nature of the nephropathy, identifying specific mutations, and guiding treatment options.