Vitamin B12
(Biochemistry)
Investigation : Vitamin B12
Specimen type : Serum
Spec container : Serum Gel 
Volume required : 5 ml
Reference range : 197-771 ng/L
Turnaround : <96 hours

One 7.5ml sample will suffice for both B12 and folate

Prior to 05/11/15, the reference range was 191 - 663 ng/L.

Additional information on Vitamin B12 and its clinical use can be found here: vitamin B12.

New vitamin B12 reference interval 01/05/21, results unaffected.

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