• Urinary amylase levels (only for bladder- drained transplants) • Serum amylase and lipase levels • Fasting glucose levels (consider OGTT if >100 mg/dl) • A1C • Creatinine (in SPK patients) • Duplex sonographic scanning of the allograft (when thrombosis and/or rejection are suspected) • Ultrasound- guided biopsy (gold standard for rejection) |  |