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HelpTest Code VITB2 Riboflavin (Vitamin B2), Plasma
Additional Codes
CNE Order Code: Riboflavin
Useful 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 HeparinShipping 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.
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 |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Reference Values
1-19 mcg/L
Interpretation
Low concentrations in the blood plasma are indicative of nutritional deficiency. Concentrations below 1 mcg/L are considered significantly diminished. Marginally low levels probably represent nutritional deficiency that should be corrected.
Day(s) Performed
Monday, Wednesday, Friday
Report Available
2 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |