Propoxyphene, Serum (Referred Out) - Saskatoon

Overview

Alias

• Darvon

Specimen Information

Specimen types accepted

• Serum

Specimen collection container

• Preferred collection container: Red (non-gel)

Required volume

• ​Optimal volume: two 4.5 mL full collection tube
• Minimum volume: 4 mL

(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)

Transport and stability

• Aliquot serum off of cells as soon as possible

Rejection criteria

• Specimens received where the proper collection protocols were not followed
• Pathology and Laboratory Medicine Acceptance and Rejection Criteria

Performance

Days/times performed

Availability	Shipped daily Monday to Friday
Testing site	Referred out by St. Paul’s Hospital Laboratory

 

Maximum laboratory time

Results reporting

• 3 day turn around time by testing laboratory

Last Updated: March 19, 2026