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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

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Test Code: TVD

Tube type: SST

Special instructions
None

Interpretation
Please refer to the link below for interpretation.

Minimum retesting interval
Test should not be repeated within 60 days

Reference range
>50

Units
nmol/L

Turnaround Time
2 days

Department: Biochemistry

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

This total vitamin D immunoassay is routinely available. Please note, LCMS analysis previously offered to patients of the RNHRD only, for D2/D3 fraction determination, is no longer available.

Links:
» Vitamin D Deficiency in Adults Guidelines

 
 

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