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ICD-10 Guide
ICD-10 CodesN07.7

N07.7

Billable

Hereditary nephropathy, not elsewhere classified with diffuse crescentic glomerulonephritis

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

Code Description

ICD-10 N07.7 is a billable code used to indicate a diagnosis of hereditary nephropathy, not elsewhere classified with diffuse crescentic glomerulonephritis.

Key Diagnostic Point:

N07.7 refers to a specific type of hereditary nephropathy characterized by diffuse crescentic glomerulonephritis, a condition where the glomeruli in the kidneys become inflamed and form crescents, leading to significant renal impairment. This condition is often associated with genetic mutations that affect the structure and function of the kidney's filtration system. Patients may present with isolated proteinuria, which is the presence of excess protein in the urine, a common indicator of kidney dysfunction. The hereditary nature of this nephropathy suggests a familial pattern, often necessitating genetic testing to identify specific mutations. Diagnosis typically involves a combination of clinical evaluation, laboratory tests, and imaging studies, alongside a renal biopsy to confirm the presence of crescentic changes in the glomeruli. Management may include immunosuppressive therapy, supportive care, and monitoring for progression to end-stage renal disease. Understanding the genetic basis of this condition is crucial for family planning and risk assessment in affected families.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Requires understanding of genetic implications and hereditary patterns.
  • Involves differentiating from other types of glomerulonephritis.
  • Documentation must include specific details about renal biopsy findings.
  • Need for comprehensive family history and genetic testing results.

Audit Risk Factors

  • Inadequate documentation of genetic testing results.
  • Failure to specify the type of glomerulonephritis.
  • Lack of detailed clinical history regarding family patterns.
  • Insufficient evidence of renal biopsy findings.

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, family history of kidney disease, or acute kidney injury.

Billing Considerations

Ensure that all genetic testing results are included in the medical record to support the hereditary diagnosis.

Genetics

Documentation Requirements

Comprehensive family history and results of genetic testing.

Common Clinical Scenarios

Patients referred for genetic counseling due to a family history of kidney disease.

Billing Considerations

Document the implications of genetic findings for family members.

Coding Guidelines

Inclusion Criteria

Use N07.7 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the hereditary nature of the nephropathy and the presence of crescentic glomerulonephritis
  • Include all relevant clinical findings and test results

Exclusion Criteria

Do NOT use N07.7 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

88184CPT Code

Renal biopsy

Clinical Scenario

Used to confirm diagnosis of crescentic glomerulonephritis.

Documentation Requirements

Biopsy report must detail findings consistent with crescentic changes.

Specialty Considerations

Nephrology specialists should ensure accurate reporting of biopsy results.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 allows for more specific coding of hereditary conditions, improving the accuracy of data collection and reimbursement processes for nephrology services.

ICD-9 vs ICD-10

The transition to ICD-10 allows for more specific coding of hereditary conditions, improving the accuracy of data collection and reimbursement processes for nephrology services.

Reimbursement & Billing Impact

reimbursement processes for nephrology services.

Resources

Clinical References

  • •
    Kidney Disease: Improving Global Outcomes (KDIGO)

Coding & Billing References

  • •
    Kidney Disease: Improving Global Outcomes (KDIGO)

Frequently Asked Questions

What is the significance of genetic testing in N07.7?

Genetic testing is crucial for confirming the hereditary nature of the nephropathy, guiding treatment decisions, and providing information for family members regarding their risk.