3. Renal: If negative proteinuria on urine dipstick, serum creatinine (sCR) less than 2 mg/dL or urine creatinine clearance greater than or equal to 60 mL/min. If urine is 1+ positive (30 mg/dL), urine protein must be less than or equal to 1 g/24 hours and measured creatinine clearance greater than or equal to 60 mL/min.