R U H Bath, return to home page

Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

Vitamin D, total (25-hydroxy vitamin D)
(a.k.a 25OH Vit D, Vit D, Total Vitamin D)
minimum sample volume required ~ 5ml

  back to assay index

Tube type: SST

Special instructions
None

Interpretation
<30: Severe deficiency. Vitamin D replacement is required.
30-50: Vitamin D insufficiency. Advise on safe sun exposure and diet. Supplementation may be indicated.
>50: Adequate Vitamin D concentration.

Minimum retesting interval
Test should not be repeated within 60 days

Reference range
>50. For interpretation, see above.

Units
nmol/L

Turnaround Time
2 days

Department: Biochemistry

Clinical Application
Investigation of hypocalcaemia. Primary investigation for vitamin D malabsorption.

 
 

back to top