The Leeds Teaching Hospitals NHS Trust

Vitamin D (25 OH-Vitamin D)

Vitamin D (25 OH-Vitamin D)

25-OH vitamin D is the inactive form of vitamin D (activation requires renal hydroxylation) but is the major circulating metabolite. 25-OH vitamin D undergoes seasonal variation - higher in summer than winter.

Tube 01 (SE) - Serum Gel
ID Tests&Tubes0138
Additional Information
Turn Around A&E: N/A
Day Case: N/A
In-Patient: 24 Hours
Out-Patient: 24 Hours
GP: 24 Hours
Send to Blood Sciences Cross Site
Contact For further details please contact Leeds Pathology customer services: leedsth-tr.pathologycustomerservice@nhs.net.
Collection Con Minimum volume - 250µl serum / plasma
Instructions for Lab Staff: Standard lab processing- No special requirements
Sample REQ Blood
Ref. Range Notes Blood Sciences reference ranges are available through the useful information and links page:
https://www.leedsth.nhs.uk/a-z-of-services/pathology/blood-sciences/useful-information-and-links/
Units nmol/L
Telepath LGI - TVTD1LSJUH - TVTD1J
ICE Codes LGI - L25VDSJUH - J25VD