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ICD-10 Guide
ICD-10 CodesN07.8

N07.8

Billable

Hereditary nephropathy, not elsewhere classified with other morphologic lesions

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

Code Description

ICD-10 N07.8 is a billable code used to indicate a diagnosis of hereditary nephropathy, not elsewhere classified with other morphologic lesions.

Key Diagnostic Point:

Hereditary nephropathy encompasses a range of genetic kidney disorders that lead to progressive renal impairment. N07.8 specifically refers to hereditary nephropathies that do not fit into other defined categories and present with additional morphologic lesions. These conditions often manifest as isolated proteinuria, which can be a key indicator of underlying glomerular disorders. Genetic mutations affecting the structure and function of renal cells can lead to various clinical presentations, including nephrotic syndrome, hematuria, and hypertension. Diagnosis typically involves a combination of clinical evaluation, laboratory tests, and genetic testing to identify specific mutations. The presence of other morphologic lesions complicates the clinical picture, necessitating careful assessment to differentiate hereditary nephropathy from acquired renal diseases. Management strategies may include monitoring renal function, controlling blood pressure, and addressing proteinuria, with the potential for renal replacement therapy in advanced cases.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and symptoms
  • Need for genetic testing to confirm diagnosis
  • Differentiation from other nephropathies
  • Documentation of additional morphologic lesions

Audit Risk Factors

  • Inadequate documentation of genetic testing results
  • Failure to specify additional morphologic lesions
  • Misclassification of hereditary nephropathy as acquired
  • Insufficient clinical correlation between symptoms and diagnosis

Specialty Focus

Medical Specialties

Nephrology

Documentation Requirements

Detailed clinical history, laboratory results, genetic testing outcomes, and imaging studies.

Common Clinical Scenarios

Patients presenting with unexplained proteinuria, family history of kidney disease, or progressive renal failure.

Billing Considerations

Ensure comprehensive documentation of all renal function tests and genetic evaluations to support coding.

Genetics

Documentation Requirements

Genetic testing reports, family history assessments, and clinical findings related to hereditary conditions.

Common Clinical Scenarios

Patients referred for genetic counseling due to family history of nephropathy or unexplained renal symptoms.

Billing Considerations

Document the rationale for genetic testing and any findings that may influence management.

Coding Guidelines

Inclusion Criteria

Use N07.8 When
  • According to ICD
  • 10 guidelines, N07
  • 8 should be used when hereditary nephropathy is diagnosed with additional morphologic lesions
  • Coders must ensure that all relevant clinical information is documented, including genetic testing results and any associated conditions

Exclusion Criteria

Do NOT use N07.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

81229CPT Code

Genetic testing for hereditary nephropathy

Clinical Scenario

Used when genetic testing is performed to confirm a diagnosis of hereditary nephropathy.

Documentation Requirements

Documentation of clinical indications for testing and results.

Specialty Considerations

Nephrology specialists should ensure that genetic testing aligns with clinical findings.

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 ability to capture the complexity of these conditions and their management. N07.8 provides a unique code for cases that do not fit neatly into other categories, enhancing data accuracy and clinical understanding.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of hereditary nephropathies, improving the ability to capture the complexity of these conditions and their management. N07.8 provides a unique code for cases that do not fit neatly into other categories, enhancing data accuracy and clinical understanding.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of hereditary nephropathies, improving the ability to capture the complexity of these conditions and their management. N07.8 provides a unique code for cases that do not fit neatly into other categories, enhancing data accuracy and clinical understanding.

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 hereditary nephropathy?

Genetic testing is crucial for confirming the diagnosis of hereditary nephropathy, identifying specific mutations, and guiding management strategies. It helps differentiate hereditary conditions from acquired nephropathies.