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Catalog ID VITC Ascorbic Acid (Vitamin C), Plasma

Important Note

CPOE TEST NAME:  Ref Misc Referral Lab Test  

Test Name REF:  Vitamin C

Additional Codes

Epic EAP Test Code: LAB671

Secondary ID

42362

Useful For

Identifying vitamin C deficiency

Method Name

Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Portions of this test are covered by patents held by Quest Diagnostics

Reporting Name

Ascorbic Acid, P

Specimen Type

Plasma Heparin
AUMC Laboratory Catalog Note:

Collect 2.5 mL blood in Dark Green top tube, protect from light, and place on ice.


Shipping 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.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma Heparin Frozen 14 days LIGHT PROTECTED

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Reference Values

0.4-2.0 mg/dL

Day(s) Performed

Monday through Friday

Report Available

3 to 5 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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.

CPT Code Information

82180

LOINC Code Information

Test ID Test Order Name Order LOINC Value
VITC Ascorbic Acid, P 1903-4

 

Result ID Test Result Name Result LOINC Value
8312 Ascorbic Acid, P 1903-4

Forms

If not ordering electronically, complete, print, and send General Request (T239) with the specimen.