Vitamin C (Ascorbic)

Test Code: TD_5020

CPT Code(s): 82180

$39

Test Details

Alternative Name(s)

Ascorbic acid

Test Includes

Vitamin C

Methodology

High performance liquid chromatography-tandem mass spectrometry (LC-MS/MS)

Rejection Criteria

Gross hemolysis
EDTA plasma
Whole blood
Body fluid
Avoid freeze/thaw cycles
Samples not protected from light

Reference Range(s)

23-114 UMOL/L

Specimen Requirements

Preferred Specimen

Heparin (Green Top) Tube

Minimum Volume

0.3 mL plasma

Sample Stability

After separation from cells: unacceptable room temperature
unacceptable refrigerated
1 month frozen (when light-protected)

Transport Temperature

Critical Frozen

Collection Instructions

1 mL sodium or lithium heparin plasma. Place sample in ice
bath immediately after collection. Centrifuge sample and
separate plasma from cells within 1 hour of collection.
Transfer plasma to a plastic transport tube. Freeze.
Critical Frozen (CFZ). Protect sample from light during
collection, storage, and transport. Fasting sample is
preferred.
When multiple tests are ordered, submit separate tube for
this test.

Alternative Specimen

N/A