Vitamin B12 (Active)/Red Cell Folate

Code

B12F

Sample Reqs

AB

Turnaround

2 days

Special instructions

No special instructions. Patients taking supplements may be advised to stop medication prior to testing.

Sample type guide

A

Lavender Vacutainer, EDTA anticoagulant, 4ml/6ml (6ml EDTA tubes are used for specific PCR assays)

B

Gold Vacutainer, SST/Gel anticoagulant, 5ml

Related specialties

• Biochemistry
• Vitamin

Additional information

• Request forms
• Specimens: collection, packaging, transport, rejection criteria
• Discontinued tests