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Pathology and Laboratory Medicine
Test Catalogue



​Ordering Recommendation

  • See the Pharmacokinetics Lab (PK) requisition on the National Jewish Health website for collection timing (e.g. Number of hours from time of dose to time of peak concentration)

Specimen Requirements​ ​

  • ​Serum
  • ​Preferred Collection Container: Red (non-gel)
  • Alternative Collection Container: Dark Green (non-gel); not preferred
​Collection Procedure
  • ​Aliquot and freeze as soon as possible after collection
​Required Volume
  • ​Optimal Volume: Two 4.0 mL Full collection tube
  • Minimum Volume: 2.0 mL serum
    (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.)
  • Pediatric Volume: 0.5 mL serum or plasma
  • ​Must be frozen within 24 hours of collection
Grounds for Rejection​

Testing Information​ ​

  • ​Shipped weekly or as received
Testing Site​
  • ​Referred out by St. Paul’s Hospital Laboratory
Results Reporting​
  • 7 day turn around time by testing laboratory
SHR LIS Test Code​
  • ​LEVOF (For Laboratory Use Only)

Test Ordering Requirements​ ​

​Preferred Specimen Collection
  • ​Refer patient to a Laboratory Health Services Centre or a Hospital Test Centre able to process specimens within required time frame
​Forms Required
  • ​Fully complete Pharmacokinetics Lab (PK) requisition, including drug dose amount, frequency, method, and date and time of last dose prior to draw located on the National Jewish Health website


​If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-692 v3

Last Modified: Thursday, July 11, 2019 |
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