N02.A
Recurrent and persistent hematuria with C3 glomerulonephritis
Clinical Classification Guidelines
Inclusion Terms
- Recurrent and persistent hematuria with C3 glomerulopathy
Excludes Type 1
- Recurrent and persistent hematuria (with C3 glomerulopathy) with dense deposit disease (N02.6)
Medical Intelligence & Overview
Recurrent and persistent hematuria with C3 glomerulonephritis is a kidney condition characterized by ongoing blood in the urine, which results from inflammation within the glomeruli—the tiny filtering units of the kidneys. This condition is identified by the presence of C3 glomerulopathy, a disorder involving abnormal immune activity that damages these filters. Understanding this condition is important for recognizing symptoms early and seeking appropriate medical evaluation and management.
Causes & Symptoms
Clinical Causes: Immune system abnormalities leading to abnormal activation of the complement system, particularly involving the C3 component Genetic predispositions influencing immune regulation or kidney structure Infections that trigger immune responses affecting the kidneys Secondary causes related to other autoimmune diseases, such as systemic lupus erythematosus Certain medications or substances that may provoke immune reactions within the kidneys
Key Symptoms: Blood in the urine (hematuria), which may be visible or detected through laboratory tests Foamy or bubbly urine due to increased protein levels Swelling (edema), especially in the legs and around the eyes High blood pressure which may develop as the disease progresses Decreased kidney function leading to fatigue, weakness, or fluid retention Possible episodes of dark-colored urine during flare-ups Persistent or recurrent urinary symptoms over time
Diagnostic & Treatment
Diagnosis Path: Diagnosis of recurrent and persistent hematuria with C3 glomerulonephritis generally involves multiple assessments including blood tests to evaluate kidney function and immune activity, urine analysis to detect blood and protein presence, and specialized imaging. A definitive diagnosis often requires a kidney biopsy, which allows direct examination of kidney tissue under a microscope to identify characteristic changes and immune deposits, particularly those involving C3. Additional laboratory evaluations may include complement levels and testing for underlying autoimmune conditions.
Treatment Protocols: Management of this condition focuses on controlling inflammation, managing symptoms, and preserving kidney function. Treatment approaches may include immunosuppressive medications such as corticosteroids or drugs that inhibit the immune response. Blood pressure control is crucial and is often achieved with antihypertensive medications, especially those targeting the renin-angiotensin system. Regular monitoring of kidney function, urine analysis, and blood pressure forms a key part of ongoing care. In some cases, supportive measures like dietary adjustments or dialysis may be necessary if kidney failure develops. Addressing underlying autoimmune or infectious causes can also be critical in treatment.
Clinical Advice & FAQs
Billing Guidance
Is N02.A a billable ICD-10 code?
Yes, N02.A is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report N02.A?
Clinical documentation must specify the nature of Recurrent and persistent hematuria with C3 glomerulonephritis and any associated comorbidities for accurate reporting.
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