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Items starting with V

Vitamin B12

Vitamin B12

Reference Range

<105 ng/L - B12 deficiency highly likely

105-200 ng/L - B12 deficiency possible (confirm with haematological/clinical findings)

>200 ng/L - B12 deficiency unlikely

*Note clinical advice is provided by Haematology

 

  • Turnaround Time: 1 day

Vitamin D (25-OH VitD)

Reference Range

<30 nmol/L - Vitamin D deficiency,

30-50 nmol/L - Borderline low vitamin D

>50 nmol/L - Adequate vitamin D

>300 nmol/L - may indicate Vitamin Toxicity

  • Turnaround Time: 7 Days
Von Willebrand Screen

Von Willebrand Screen

Reference Range

Factor VIII 57-158 u/dL

von Willebrand Factor Antigen (VWF:Ag) 48-175 u/dL

von Willebrand Factor Activity (VWF:RCo, RICOF) 47-154 u/dL

von Willebrand Factor Collagen Binding activity (vWF:CBA) 57-164 IU/dL

  • Turnaround Time: 21 days
Varicella zoster PCR

Varicella zoster PCR

  • Turnaround Time: 7-28 Days
Varicella zoster (VZ) IgG

Varicella zoster (VZ) IgG

  • Turnaround Time: 3-7 Days

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