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Vitamin C
Test Code:
001805
Performing Lab: LABCORP BURLINGTON
CPT Code:
82180   
Specimen Container Green-top (lithium heparin) 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 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 No. 23594.
Specimen Type Plasma, frozen and protected from light
Volume 1 mL
Minimum Volume 0.5 mL (Note: This volume does not allow for repeat testing.)
Temperature Freeze immediately and protect from light
Specimen Handling Collect blood by venipuncture into a green-top containing lithium heparin and mix immediately by gentle inversion at least six times to ensure adequate mixing. Plasma must be separated from cells immediately after venipuncture and transferred to light-protected amber plastic tube. Separated plasma must be placed on dry ice for shipment within 4 hours of separation. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Methodology Liquid chromatography-tandem mass spectrometry (LC/MS-MS)
Stability Room Temperature: Unstable, Refrigerated: Unstable, Frozen: 14 days
Unacceptable Conditions Anticoagulants other than lithium heparin; specimen not protected from light
TAT From Set-Up 3 - 5 Days
Result Code Result Name LOINC
001806 Vitamin C 1903-4