Niacin (Vitamin B3)

Label Mnemonic:	NIACIN
Epic code:	LAB3711
Downtime form:	A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

Whole Blood

Collection Medium:

	and
Pink top tube 6 mL (K2-EDTA)	and	Pink top tube 6 mL (K2-EDTA)

Minimum:

Preferred Minimum: 4 mL plasma
Absolute Minimum: 1 mL plasma

Rejection Criteria:

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

Comments:

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.

Methodology:

Quantitative High Performance Liquid Chromatography

CPT Code:

84591

See Additional Information:
Specimens Requiring Immediate Delivery