Laboratory Medicine

Test catalogue

Ascorbic Acid (Vitamin C)
Test Name Ascorbic Acid (Vitamin C)
Specimen Type / Requirements Container Type = 1 Red top or Green Top (LiHeparin) Minimum Testing Volume = 2 mL Serum or Plasma Tube must fill to at least ½ or greater of its vacuum capacity
Specimen Handling Collection Instructions: Red top tube is preferred but green top is also acceptable. Fasting (12 - 14 h) recommended but non-fasting is acceptable. Protect specimen from light. Specimen must be labelled inside and outside light-protecting wrap. Write your initials, date and time of collection on the collection label. Laboratory Staff Instructions Aliquot must be labelled inside and outside light-protecting wrap. Store and send frozen. If the specimen thaws, it is unsuitable for analysis Rejection Criteria: Grossly hemolyzed, lipemic, unlabeled or samples or non sufficient quantity. Stability: Stable frozen at -20°C or colder for 20days. Thaw samples only once. Transportation: Send sample to core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 10 Days	Test Utilization
Reference Value Greater than or equal to 25µmol/L
Test Code VITC	Methodology LC-MS-MS
Testing Location Referred Out – ON, Canada (ROICL02)	Other Information Last Updated: May 02, 2022

Ascorbic Acid (Vitamin C)

Test Name

Ascorbic Acid (Vitamin C)

Specimen Type / Requirements

Container Type = 1 Red top or Green Top (LiHeparin)

Minimum Testing Volume = 2 mL Serum or Plasma

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Red top tube is preferred but green top is also acceptable. Fasting (12 - 14 h) recommended but non-fasting is acceptable. Protect specimen from light. Specimen must be labelled inside and outside light-protecting wrap. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions Aliquot must be labelled inside and outside light-protecting wrap. Store and send frozen. If the specimen thaws, it is unsuitable for analysis

Rejection Criteria: Grossly hemolyzed, lipemic, unlabeled or samples or non sufficient quantity.

Stability: Stable frozen at -20°C or colder for 20days. Thaw samples only once.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

10 Days

Test Utilization

Reference Value

Greater than or equal to 25µmol/L

Test Code

VITC

Methodology

LC-MS-MS

Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: May 02, 2022