Vitamin B (Functional)

Code

FUNC

Sample Reqs

AA or H

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)

H

Green Vacutainer, Lithium heparin anticoagulant, 6ml

Related specialties

• Vitamin

Additional information

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