Vitamin B6
Order Name
VIT B6
Test Number: 3603660
Revision Date 12/12/2022
Test Number: 3603660
Revision Date 12/12/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Vitamin B6
|
Liquid Chromatography/Tandem Mass Spectrometry | 62236-5 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.25) | Plasma | EDTA (Lavender Top) | Frozen (Light Protect) |
| Instructions | Notes: 0.25 mL (Note: This volume Does NOT allow for repeat testing.) Specimen Type: Lavender-top (EDTA) tube; amber plastic transport tube with amber-top. (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 on the outside of the aluminum foil. Secure with tape.) For amber plastic transport tube and amber-top, order LabCorp item No. 23594. Container Detail: Protect from Light Specimen Storage: Refrigerated or FROZEN and PROTECT FROM LIGHT. Specimen Collection: Collect blood by venipuncture into a lavender-top tube containing EDTA and mixed immediately by gentle inversion at least six times to ensure adequate mixing. The plasma must be separated and protected from light in an amber transport tube with amber stopper. Specimens should be stored refrigerated or frozen immediately and maintained at temperature during shipping and at the testing facility. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED. Specimen Stability: Ambient: 3 days, Refrigerated : 15 days, Frozen: 15 days |
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| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 4 - 6 days week day. |
| Clinical Use | Vitamin B6 is a cofactor in many metabolic pathways including heme synthesis. Vitamin B6 deficiency may be observed in patients with metabolic disorders, secondary to therapeutic drug use, or alcoholism. Deficiency affects the function of the immune system. |
| Performing Labcorp Test Code | 004655 |
| Notes | Labcorp Test Code: 004655 |
| CPT Code(s) | 84207 |
| Lab Section | Reference Lab |