Test Background 1,25-(OH)2 vitamin D3 is the active form of vitamin D and stimulates intestinal calcium/phosphate absorption, increased bone resorption.
Clinical Indications 1,25-(OH)2 vitamin D3 is occasionally used for monitoring replacement therapy in parathyroidectomised patients.Not for monitoring vitamin D status, please request 25-OH vitamin D.
Reference Range See report
Sample Required Serum (red top)
Sample Volume 3.5 mL on ice rush to laboratory
Turnaround Time Up to 6 weeks
Notes Not currently performed in house; this is a referred test.