Our priority is to ensure the safety and well-being of our patients and residents, and our people.

Only pre-approved visitors can visit patients at our sites. Please check our COVID-19 information page to learn more about what to expect for your appointment/visit and how to be approved as a visitor.


Text size: a a a

Laboratory Medicine

Test catalogue

Vitamin A (Retinol)

Test Name

Vitamin A (Retinol)

Gold Tube Specimen Type/Requirements

Container Type = 1 Gold Top

Minimum Volume = 3 ml Blood

Specimen Handling

Collection Instructions: Patient should not consume alcohol or take any nutritional supplements with 24 hours. Collect sample in gold top tube. Protect sample from light. Specimen must be labelled inside and outside light-protecting wrap. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions: Separate samples from cells as soon as possible. Protect sample from light. Repeated freezing and thawing of samples should be avoided. Patient should not consume alcohol or take any nutritional supplements with 24 hours

Rejection Criteria: Not protected from light, hemolyzed and icteric samples, Unlabeled or Not Sufficient Quantity samples will be rejected.

Stability: Stable for 1 month if frozen.

Transportation: Send sample to core lab protected from light as soon as possible.

Required Documentation

Turnaround Time (TAT)

15 Days

Test Utilization

Reference Value

1 year: 0.5 - 1.8 umol/L

1 – 6 years: 0.7 - 1.5 umol/L

7 – 12 years: 0.9 - 1.7 umol/L

13 – 18 years: 0.9 - 2.5 umol/L

18 or over: 1.1 - 1.3 umol/L

Test Code

VITA

Methodology

APCI-LC-MS/MS MRM

Testing Location

SMH-Biochemistry

Other Information

Last Updated: June 06, 2019