Hematuria laboratory findings

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Steven C. Campbell, M.D., Ph.D.

Laboratory Findings

Often, the diagnosis is made on the basis of the medical history and some blood tests—especially in young people in whom the risk of malignancy is negligible and the symptoms are generally self-limited.

• Urinalysis for all patients
• Complete blood count (CBC)
• Calcium
• Uric acid
• Prothrombin time / Partial thromboplastin time (PT / PTT)
• Blood urea nitrogen (BUN) / creatinine

A more complete evaluation would include the following:

• C3 levels
• Red blood cells casts
• Cyroglobulins
• Hepatitis C antibodies
• Anti-glomerular basement membranes (GBM)
• Antinuclear anitbodies (ANA)
• Antineutrophil cytoplasmic antibodies (ANCA)
• Antistreptolysin O antibodies (ASO)