The ratio of uric acid to creatinine can help distinguish patients with acute renal failure due to hyperuricemia from patients with renal failure due to other causes.
uric acid-to-creatinine ratio =
= (serum uric acid in mg/dL) / (serum creatinine in mg/dL)
Interpretation:
• A ratio > 1.0 is seen in most patients with acute renal failure due to hyperuricemia (uric acid nephropathy)
• A ratio < 1.0 is seen in patients with acute renal failure due to other causes
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