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HelpTest ID BLOD0091 Ascorbic Acid (Vitamin C), Plasma
Useful For
Identifying vitamin C deficiency
Specimen Type
Plasma HeparinShipping Instructions
Ship specimen frozen on dry ice in amber vial to protect from light.
Specimen Required
Patient Preparation: Fasting overnight (12-14 hours) (infants-collect prior to next feeding). Water can be taken as needed.
Supplies: Amber Frosted Tube, 5 mL (T915)
Collection Container/Tube:
Preferred: Green top (sodium or lithium heparin)
Submission Container/Tube: Amber vial
Specimen Volume: 1 mL
Collection Instructions:
1. Immediately place specimen on wet ice and process within 4 hours of collection.
2. Centrifuge at 4° C, aliquot plasma into amber vial to protect from light.
3. Freeze plasma immediately, ideally at or below -60° C, protected from light.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma Heparin | Frozen | 14 days | LIGHT PROTECTED |
Day(s) Performed
Monday through Friday
Report Available
3 to 5 daysMethod Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Portions of this test are covered by patents held by Quest Diagnostics
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82180
Reporting Name
Ascorbic Acid, PReference Values
0.4-2.0 mg/dL
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Secondary ID
42362SANFORD INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 13039 | Ascorbic Acid, P |