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Vitamin D 1,25-dihydroxy

Category Biochemistry
Test background

1,25-(OH)2 vitamin D3 is the active form of vitamin D and stimulates intestinal calcium/phosphate absorption, increased bone resorption.

Clinicial 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 & container 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.