Test 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

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.Forms
If not ordering electronically, complete, print, and send General Request (T239) with the specimen.
Secondary ID
42362SANFORD INTERFACE BUILD INFORMATION
Result Code | Result Code Description |
---|---|
13039 | Ascorbic Acid, P |