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HelpTest Code VITB2 Riboflavin (Vitamin B2), Plasma
Shipping Instructions
Ship specimen in amber vial to protect from light.
Specimen Required
Patient Preparation: Fasting-overnight (12-14 hours) (infants-collect specimen prior to next feeding)
Supplies: Amber Frosted Tube, 5 mL (T915)
Collection Container/Tube:
Preferred: Green top (sodium or lithium heparin)
Acceptable: Light-green top (sodium or lithium heparin plasma gel)
Submission Container/Tube: Amber vial
Specimen Volume: 2 mL
Collection Instructions: Centrifuge within 2 hours of collection and aliquot plasma into amber vial.
CMH COLLECTION: 1mL blood in a vacutainer Preferred: Lithium heparin mint green gel Acceptable: Sodium heparin green
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma Heparin | Refrigerated (preferred) | 28 days | LIGHT PROTECTED |
| Frozen | 28 days | LIGHT PROTECTED | |
| Ambient | 72 hours | LIGHT PROTECTED |
Useful For
Evaluation of individuals who present the signs of ariboflavinosis
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Day(s) Performed
Monday, Wednesday, Friday
Report Available
2 to 5 daysReporting Name
Riboflavin (Vitamin B2), PReference Values
1-19 mcg/L
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Portions of this test are covered by patents held by Quest Diagnostics
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84252