Vitamin B2, Whole Blood
Test Code: 123220
Performing Lab: LabCorp
CPT Code: 84252 001
Synonym
B2, Vitamin; Riboflavin; Vitamin B2, Quantitative
Specimen Type
Whole blood, FROZEN AND PROTECTED FROM LIGHT
Specimen Container
EDTA (lavender top) Whole Blood, preferred. Also acceptable are lithium heparin (green-top) whole blood and sodium heparin (light green top) whole blood. aluminum foil. Identify specimen with patient's name directly on the container AND the outside of the aluminum foil. Secure with tape.) For amber plastic transport tube and amber stopper, order LabCorp ID 23598.
Volume
0.5 mL
Minimum Volume
0.2 mL (NOTE:This volume does NOT allow for repeat testing).
Specimen Handling
The blood is to be collected by venipuncture into a lavender-top tube containing EDTA and mixed immediately by gentle inversion at least six times to ensure adequate mixing. Do NOT separate. Transfer whole blood to a labeled amber plastic transport tube with amber stopper and FREEZE. For amber plastic tube with amber stopper, order LabCorp No. 23598. If amber tubes are unavailable, cover standard transport tube completely, top and bottom, with aluminum foil. Identify specimen with patient's name directly on the container and the outside of the aluminum foil. Secure with tape.To avoid delays in turnaround time when requesting multiple test on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.
Unacceptable Conditions
Receipt of non-frozen sample; receipt of plasma or serum specimen; receipt of specimen not protected from light or serum specimen
Temperature
Specimens should be light-protected, stored FROZEN immediately, and maintained FROZEN during shipping. 2(degrees)C to 8(degrees)C.
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS) fluorescence detector
TAT
3 - 5 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 123221 | Vitamin B2, Whole Blood | 6695-1 |
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