Imperial Collage Healthcare

Vitamin D 1,25-dihydroxy


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.

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