Ascorbic Acid
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Vitamin C, Serum/Plasma
Test ID: VITC
Test
Aliases/Synonyms
Method
LC-MS/MS
Report Includes
Vitamin C
Specimens
Serum; Plasma (Li Heparin)
Test Location
London Health Sciences Centre, 339 Windermere Road, London ON N6A 5A5
Test Version
2-Mar-2021
Specimen
Specimens
Serum; Plasma (Li Heparin)
Collection Containers
Preferred
Serum (red top)
Acceptable
Plasma (green top)
Sample Volume
2 mL
Patient Preparation
Fasting (12 – 14 h) recommended but non-fasting is acceptable.
Collection & Handling
Handling Information
Separate Immediately and transfer to amber vial to protect from light and freeze.
Store and send frozen.
Stability
If the specimen thaws, it is unsuitable for analysis.
Rejection Criteria
| Specimen | Not frozen or not protected from light |
|---|---|
| Hemolysis | Moderate |
Test Version
2-Mar-2021
Performance / Interpretation
Method
LC-MS/MS
Turnaround Time
10 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Vitamin C | µmol/L |
|
mg/dL x 56.8 | |
Test Location
London Health Sciences Centre, 339 Windermere Road, London ON N6A 5A5
Test Version
2-Mar-2021
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| VITC | 20874Vitamin C | umol/L |
Test Version
2-Mar-2021