VITAMIN B2 (RIBOFLAVIN)

Mnemonic

MISC

Synonym

RIBOFLAVIN

Guidelines

Testing of nonfasting specimens or the use of dietary vitamin B2 supplementation can result in elevated plasma vitamin B2 concentrations

Specimen Collection Requirements

Collect

Green Top Lithium Heparin

Handling

Transfer plasma into an Amber vial.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL

Transport

Refrigerated

Rejection Criteria

Gross Hemolysis. Specimen not protected from light, plasma gel tube, EDTA, or serum

Stability

Refrigerated 7 days; Frozen 14 days

Testing Information

Note

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Performed

Monday through Friday; 8 a.m

Method

High-Performance Liquid Chromatography (HPLC)

Referral Lab

MAYO

Reference Values

Reference Values

Normal: 3-15 mcg/L Marginally low: 2 mcg/L Diminished: <2 mcg/L

CPT Codes

84252

Last Updated: Thursday, January 5, 2017 03:42:32 AM