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Test Code
VB2WB
Test Name
Vitamin B2, Whole Blood
CPT Codes
84252
Expected Turnaround Time
3 - 5 days
Clinical Utility

Detect vitamin B2 deficiency
Specimen and Container Info

Specimen Type: Whole Blood

Preferred Collection Container: Lavender Top (EDTA)

Alternate Collection Container: Green Top (Sodium or Lithium Heparin)

Desired Specimen Volume: 0.5 mL
Collection Instructions
  1. Protect specimen from light during and after collection
  2. Collect whole blood in lavender top (EDTA) tube via venipuncture
  3.  Mix immediately by gentle inversion at least six times to ensure adequate mixing.
Processing and Submission Instructions
  1. Transfer 0.5 mL of whole blood to an amber aliquot tube.
  2. To avoid delays in turnaround time when requesting multiple test on frozen samples, please submit separate frozen specimens for each test requested.
Transport Instructions

Transport to the laboratory frozen and protected from light.  
Stability Requirements

Refrigerated

14 days
Causes for Rejection
  • Receipt of non-frozen sample
  • Receipt of plasma or serum specimen
  • Receipt of specimen not protected from light
Methodology
Liquid Chromatography - Tandem Mass Spectrometry (LC/MS/MS)
Reference Intervals

See patient report.

Alternate Names
  • B2, Vitamin
  • Riboflavin
  • Vitamin B2, Quantitative
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, daily
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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