Vitamin B12 (Active) & Folate (Red Cell)
Test ID: B12F Turnaround time: 4 days Sample Collection Instructions: Standard venepuncture procedure Sample Requirements: Yellow (SST) & Purple (EDTA - refrigerate sample if there's any delay before posting.) Sample Stability: Postal acceptable - we recommend collecting the sample in the afternoon so that postal samples reach the laboratory within 24 hours.
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