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N02.8
ICD-10-CM
Immunoglobulin A Glomerulonephritis

Find information on Immunoglobulin A Nephropathy IgA Nephritis diagnosis including clinical documentation, ICD-10 code N08, medical coding, healthcare, and treatment. Learn about IgA Glomerulonephritis symptoms, causes, diagnosis criteria, and management strategies. Explore resources for healthcare professionals, including coding guidelines and clinical documentation improvement for Berger's disease.

Also known as

IgA Nephropathy
Berger's Disease

Diagnosis Snapshot

Key Facts
  • Definition : Kidney disease with IgA deposits, causing inflammation and impaired filtration.
  • Clinical Signs : Blood or protein in urine, swelling, high blood pressure, occasional flank pain.
  • Common Settings : Primary care, nephrology clinic, dialysis center, transplant center.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC N02.8 Coding
N80-N89

Disorders of glomeruli

Conditions affecting the kidney's filtering units.

D80-D89

Immunodeficiencies

Weaknesses in the immune system impacting IgA.

I00-I99

Diseases of the circulatory system

Includes effects of IgA nephropathy on the circulatory system.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the IgA Nephropathy primary?

Code Comparison

Related Codes Comparison

When to use each related code

Description
IgA Nephropathy (Berger's Disease)
Henoch-Schonlein Purpura Nephritis
Alport Syndrome

Documentation Best Practices

Documentation Checklist
  • IgA nephropathy diagnosis: hematuria, proteinuria documentation
  • Kidney biopsy findings confirming IgA glomerulonephritis
  • Document IgA levels: serum and/or urine (if tested)
  • Exclude secondary causes: liver disease, infections, medications
  • ICD-10-CM code N08: Glomerular disorders in diseases classified elsewhere

Coding and Audit Risks

Common Risks
  • Specificity of IgA Nephropathy

    Coding IgA nephropathy requires specific documentation of IgA deposits. Unspecified glomerulonephritis codes may be incorrectly used.

  • Secondary IgA Nephropathy

    Underlying conditions like HenochSchonlein Purpura can cause IgA nephropathy. Accurate coding requires capturing both diagnoses.

  • Chronic Kidney Disease Staging

    Documenting and coding the stage of chronic kidney disease associated with IgA nephropathy is crucial for accurate severity reflection.

Mitigation Tips

Best Practices
  • Code IgA nephropathy as N08.0 in ICD-10-CM for accurate reimbursement.
  • Document hematuria, proteinuria, and renal biopsy findings for IgA nephropathy diagnosis.
  • Monitor BP, kidney function for CDI of IgA nephropathy. Adhere to clinical guidelines.
  • Ensure proper coding, documentation for IgA nephropathy to meet healthcare compliance.
  • Educate patients on lifestyle changes, medication adherence for IgA nephropathy management.

Clinical Decision Support

Checklist
  • Verify hematuria and/or proteinuria documented
  • Confirm IgA deposits on kidney biopsy report
  • Check for elevated serum IgA levels
  • Assess for related conditions: HenochSchonlein purpura

Reimbursement and Quality Metrics

Impact Summary
  • Immunoglobulin A Glomerulonephritis reimbursement hinges on accurate ICD-10-CM coding (N04) and supporting documentation for medical necessity.
  • Quality metrics for IgA Nephropathy impact reimbursement through HEDIS measures tracking proteinuria, blood pressure control, and GFR.
  • Timely and specific coding of IgA nephropathy complications (e.g., renal failure) maximizes case mix index and reimbursement.
  • Denial management for IgA nephropathy claims requires thorough documentation of diagnostic testing and treatment rationale.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Quick Tips

Practical Coding Tips
  • Code N04 IgA nephropathy
  • Query for biopsy confirmation
  • Document hematuria proteinuria
  • Specify primary or secondary
  • Consider laterality coding

Documentation Templates

Patient presents with [hematuria description, e.g., gross hematuria, microscopic hematuria] and [proteinuria description, e.g., nephrotic-range proteinuria, subnephrotic proteinuria] consistent with a working diagnosis of IgA nephropathy (Berger's disease).  Onset of symptoms occurred [timeframe] and was [acute or insidious].  Associated symptoms include [list symptoms, e.g., flank pain, edema, hypertension, headache, fatigue].  Patient denies [relevant negatives, e.g., dysuria, fever, recent upper respiratory infection].  Relevant medical history includes [list medical history, e.g., hypertension, diabetes, family history of kidney disease].  Physical exam reveals [relevant findings, e.g., normal vital signs, presence of edema, abdominal tenderness].  Laboratory findings show [list lab values, e.g., elevated creatinine, decreased eGFR, abnormal urine protein creatinine ratio, positive IgA deposits on kidney biopsy].  Kidney biopsy, performed on [date], confirmed the diagnosis of IgA glomerulonephritis, demonstrating [biopsy findings, e.g., mesangial IgA deposits, endocapillary proliferation].  Differential diagnosis included other glomerulonephritides such as post-infectious glomerulonephritis, membranoproliferative glomerulonephritis, and thin basement membrane nephropathy.  Based on the clinical presentation, laboratory data, and biopsy results, the diagnosis of IgA nephropathy is established.  The patient was educated on the disease process, prognosis, and treatment options.  Treatment plan includes [list treatment, e.g., blood pressure control with ACE inhibitors or ARBs, corticosteroids, supportive care, referral to nephrology].  Follow-up scheduled in [timeframe] to monitor kidney function, proteinuria, and blood pressure.  ICD-10 code N04.9, IgA nephropathy, is assigned.