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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.
Secondary ID
42363Useful For
Evaluation of individuals who present the signs of ariboflavinosis
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Portions of this test are covered by patents held by Quest Diagnostics
Reporting Name
Riboflavin (Vitamin B2), PSpecimen Type
Plasma HeparinSpecimen 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 |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Reference Values
1-19 mcg/L
Day(s) Performed
Monday, Wednesday, Friday
Report Available
2 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
84252
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| VITB2 | Riboflavin (Vitamin B2), P | 2924-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 61637 | Riboflavin (Vitamin B2), P | 2924-9 |