Test ID: Z1529
CPT code: 82180
LOINC: 1903-4
Specimen Type: Green-top (Lithium Heparin)tube
Frequency: 3-5 days
Instructions: 1 mL Plasma from Green-top (Lithium Heparin)tube, Frozen Light Protected, Separate plasma immediately. Min 0.5 mL.
Text: Along with dietary history, evaluating serum ascorbic acid levels should be considered for patients with classic signs & symptoms of scurvy, and for those with nonspecific, chronic musculoskeletal complaints. Vitamin C deficiency is defined as plasma or serum concentrations less than 0.2 mg/dL, the level at which signs & symptoms of scurvy may appear.
Methodology: Liquid chromatography-tandem mass spectrometry (LC/MS-MS)