24,25-Dihydroxyvitamin D


24,25-Dihydroxyvitamin D

Site(s) or Laboratory offering Test/Investigation

SAAS for Calcium and Bone Metabolism



Also Known as/Frequency of Test

24,25-(OH)2 Vitamin D

Storage conditions and sample stability between collection and transport to Lab

If transporting immediately, send by first class post. If not, freeze the sample and send frozen.

Sample type

Serum (0.5 ml minimum)

Turnaround times (TAT) Urgent/Routine/GP or OPD

4 weeks

Reference intervals (adult unless stated)

1.1 – 13.5 nmol/L