Vitamin B (Functional)
Code
FUNC
Sample Reqs
AA
Turnaround
5 days
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)
Related specialties
Additional information
Updated Monday, 08 December 2025