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HelpRiboflavin (Vitamin B2), Plasma
Additional Codes
LAB3487
Specimen Type
Plasma HeparinShipping Instructions
Ship specimen in amber vial to protect from light.
Specimen Required
Patient Preparation:
Fasting: 12 hours, required; Infants should have specimen collected before 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 plasma
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot plasma into an amber vial.
Specimen Minimum Volume
Plasma: 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 |
Reference Values
1-19 mcg/L
Day(s) Performed
Monday, Wednesday, Friday
Report Available
2 to 5 daysSpecimen Retention Time
2 weeksPerforming 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 |