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: [email protected].
Collection Conditions
Minimum volume – 250µl serum / plasma
Instructions for Lab Staff: Standard lab processing- No special requirements
Sample Requirements
Blood
Ref. Range Notes
Units
nmol/L