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ICD-10 Guide
ICD-10 CodesN03.8

N03.8

Billable

Chronic nephritic syndrome with other morphologic changes

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

Code Description

ICD-10 N03.8 is a billable code used to indicate a diagnosis of chronic nephritic syndrome with other morphologic changes.

Key Diagnostic Point:

Chronic nephritic syndrome with other morphologic changes is characterized by persistent inflammation of the kidneys, leading to a range of clinical manifestations including proteinuria, hematuria, and hypertension. This condition often results from various underlying etiologies such as glomerulonephritis, which can be secondary to infections, autoimmune diseases, or systemic conditions. Patients typically present with symptoms such as edema, fatigue, and decreased urine output. Renal biopsy findings may reveal changes such as mesangial proliferation, glomerular sclerosis, or immune complex deposition, depending on the specific type of nephritis. Management in nephrology often includes controlling blood pressure, managing fluid overload, and addressing the underlying cause of the nephritis. Immunosuppressive therapy may be indicated in cases of autoimmune-related nephritis. Regular monitoring of renal function and proteinuria is essential to assess disease progression and treatment efficacy.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes leading to nephritic syndrome.
  • Need for precise documentation of renal biopsy findings.
  • Differentiation from nephrotic syndrome and other renal conditions.
  • Potential for overlapping symptoms with other renal diseases.

Audit Risk Factors

  • Inadequate documentation of renal biopsy results.
  • Failure to specify the underlying cause of nephritis.
  • Misclassification of nephritic syndrome as nephrotic syndrome.
  • Lack of follow-up documentation on renal function.

Specialty Focus

Medical Specialties

Nephrology

Documentation Requirements

Detailed renal function tests, biopsy results, and treatment plans.

Common Clinical Scenarios

Patients presenting with unexplained proteinuria, hematuria, or renal insufficiency.

Billing Considerations

Ensure clear documentation of the type of nephritis and any associated systemic conditions.

Pathology

Documentation Requirements

Comprehensive reports on renal biopsy findings and histological analysis.

Common Clinical Scenarios

Evaluation of renal tissue samples for signs of glomerular disease.

Billing Considerations

Accurate correlation of biopsy findings with clinical symptoms for proper coding.

Coding Guidelines

Inclusion Criteria

Use N03.8 When
  • According to ICD
  • 10 guidelines, N03
  • 8 should be used when chronic nephritic syndrome is diagnosed with other morphologic changes that do not fit into more specific categories
  • Documentation must support the diagnosis and include details about the patient's clinical presentation and any relevant laboratory findings

Exclusion Criteria

Do NOT use N03.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

88172CPT Code

Renal biopsy, percutaneous, needle

Clinical Scenario

Used when a renal biopsy is performed to assess nephritic syndrome.

Documentation Requirements

Biopsy report and clinical rationale for the procedure.

Specialty Considerations

Nephrology specialists must ensure that the biopsy findings correlate with 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 chronic nephritic syndrome, enabling better tracking of disease prevalence and management outcomes. N03.8 provides a distinct classification for cases with varied morphologic changes, improving the accuracy of clinical data.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of chronic nephritic syndrome, enabling better tracking of disease prevalence and management outcomes. N03.8 provides a distinct classification for cases with varied morphologic changes, improving the accuracy of clinical data.

Reimbursement & Billing Impact

reimbursement.

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 are the key symptoms of chronic nephritic syndrome?

Key symptoms include hematuria, proteinuria, hypertension, and edema. Patients may also experience fatigue and decreased urine output.

How is chronic nephritic syndrome diagnosed?

Diagnosis typically involves a combination of clinical evaluation, laboratory tests showing proteinuria and hematuria, and renal biopsy to assess morphologic changes.