1,25-Dihydroxyvitamin D

Test investigation

1,25-Dihydroxyvitamin D

Laboratory offering test

SAAS for Calcium and Bone Metabolism

Units

pmol/L

Also known as/Frequency of test

Calcitriol

Storage conditions and sample stability

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

Sample type

Serum

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

2-3 weeks

Reference intervals

Adult (> 18 yr) 55 – 139 pmol/L Children: 0 – < 1 yr 77 – 471 pmol/L 1 – < 3 yr 113 – 363 pmol/L 3 – < 19 yr 108 – 246 pmol/L