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ICD-10 Guide
ICD-10 CodesN01.7

N01.7

Billable

Rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritis

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

Code Description

ICD-10 N01.7 is a billable code used to indicate a diagnosis of rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritis.

Key Diagnostic Point:

Rapidly progressive nephritic syndrome (RPNS) with diffuse crescentic glomerulonephritis is a severe form of kidney disease characterized by a rapid decline in renal function, often leading to end-stage renal disease if not promptly treated. This condition is marked by the presence of crescent-shaped lesions in the glomeruli, which are indicative of severe inflammation and damage. Clinically, patients typically present with symptoms of nephritis, including hematuria (blood in urine), proteinuria (excess protein in urine), and often hypertension. Laboratory findings may reveal elevated serum creatinine levels, indicating impaired kidney function. A renal biopsy is crucial for diagnosis, showing crescentic changes in glomeruli, which can be associated with various underlying causes, including autoimmune diseases like Goodpasture syndrome or ANCA-associated vasculitis. Management often involves immunosuppressive therapy, including corticosteroids and cytotoxic agents, alongside supportive care such as blood pressure control and renal replacement therapy if necessary. Early recognition and aggressive treatment are essential to improve outcomes in patients with this serious condition.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Requires understanding of nephrology terminology and conditions.
  • Involves interpretation of renal biopsy findings.
  • Differentiation from other types of glomerulonephritis.
  • Management protocols may vary significantly based on underlying causes.

Audit Risk Factors

  • Inadequate documentation of renal biopsy results.
  • Failure to specify the underlying cause of the crescentic glomerulonephritis.
  • Misclassification of the severity of renal impairment.
  • Lack of comprehensive treatment documentation.

Specialty Focus

Medical Specialties

Nephrology

Documentation Requirements

Detailed clinical notes on symptoms, lab results, and treatment plans.

Common Clinical Scenarios

Patients presenting with acute kidney injury and nephritic symptoms.

Billing Considerations

Ensure all relevant lab results and imaging studies are included in documentation.

Pathology

Documentation Requirements

Pathology reports detailing biopsy findings and interpretations.

Common Clinical Scenarios

Biopsy specimens from patients suspected of having crescentic glomerulonephritis.

Billing Considerations

Accurate description of histological findings is crucial for coding.

Coding Guidelines

Inclusion Criteria

Use N01.7 When
  • Follow official ICD
  • CM coding guidelines, ensuring accurate documentation of the condition's severity and any associated complications
  • Include specific details from renal biopsy findings and laboratory results to support the diagnosis

Exclusion Criteria

Do NOT use N01.7 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

50360CPT Code

Renal biopsy, percutaneous

Clinical Scenario

Used when a renal biopsy is performed to confirm diagnosis.

Documentation Requirements

Document indication for biopsy, findings, and any complications.

Specialty Considerations

Nephrologists must ensure the 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 conditions like N01.7, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation to support the complexity of the diagnosis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like N01.7, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation to support the complexity of the diagnosis.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the need for detailed documentation to support the complexity of the diagnosis.

Resources

Clinical References

  • •
    American Academy of Nephrology

Coding & Billing References

  • •
    American Academy of Nephrology

Frequently Asked Questions

What are the key symptoms of rapidly progressive nephritic syndrome?

Key symptoms include hematuria, proteinuria, hypertension, and signs of acute kidney injury such as elevated serum creatinine.