Niacin (Vitamin B3)
Label Mnemonic: NIACIN
Epic Lab Code: LAB3711
Downtime Form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Commercial Mail-out Laboratory
5231 RCP
Whole Blood
Collection Medium:
Pink top tube 6 mL (K2-EDTA) Pink top tube 6 mL (K2-EDTA)
Preferred Minimum: 4 mL plasma
Absolute Minimum: 1 mL plasma
Rejection Criteria:
Thawed specimens or specimens not protected from light. Grossly hemolyzed or lipemic specimens.
Delivery Instructions:
Wrap specimen in aluminum foil to protect from light. Place in ice immediately after collection. Deliver to laboratory immediately after collection.
Turn Around Time:
5-11 days upon receipt at reference laboratory.
Reference Range:
By report
Specimen wrapped in aluminum foil and in ice must be immediately delivered to Specimen Control. Specimen must be processed in a refrigerated centrifuge and plasma immediately frozen.
Quantitative High Performance Liquid Chromatography
CPT Code:
See Additional Information:
Specimens Requiring Immediate Delivery