ARUP's Laboratory Test Directory
| 0080111: Vitamin B6 (Pyridoxine), Total, Plasma |
| Test Mnemonic: VIT B6 | |
|
Methodology: Radioenzymatic Assay
Performed: Sun, Tue-Fri Reported: 1-4 days |
| Specimen Required: | |
|
Collect: One 5 mL lavender (EDTA) or pink (K2 EDTA).
Transport: 1 mL plasma, frozen. Submit specimen in an ARUP Amber Transport Tube. (Min: 0.2 mL) Pediatric Collection/Transport: 0.2 mL plasma, frozen. Remarks: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Protect from light during collection, storage, and shipment. Separate plasma from cells and freeze ASAP. Unacceptable Conditions: Nonfrozen specimens. Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: 4 hours; Frozen: 2 months |
|
| Reference Interval: |
| 5.0-30.0 ng/mL |
| Note: | |
| This assay does not distinguish between pyridoxine, pyridoxamine, and pyridoxal forms of the vitamin, and does not detect pyridoxic acid. |
| CPT Code(s): | |
| 84207 |