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Laboratory Medicine

Test catalogue


Test name


Gold Tube Specimen Type/Requirements

Container Type = 1 Gold Top

Minimum Volume = 3 ml Blood

Specimen Handling

Collection Instructions: Collect 3 mL plain gold top vacutainer. Write your initials, date and time of collection on the collection label or requisition.

Special Instructions:

Separate samples from cells as soon as possible. Repeated freezing and thawing of samples should be avoided

Rejection Criteria: Gel separator, Grossly Hemolyzed and icteric samples, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Stability: Specimens may be stored for up to 72 hours at room temperature, 14 days refrigerated and 30 days frozen.

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

Required Documentation

Turnaround Time (TAT)

1 Day

Test Utilization

Reference Value

Therapeutic Information

Unexposed Nonsmokers: 1.0 - 4.0 mcg/mL;

Unexposed Smokers: 3.0 - 12.0 mcg/mL

Test Code




Testing Location

Referred Out – ON, Canada (ROUHNT06)

Other Information

Last Updated: June 06, 2019