PatientsVisitorsLocations & ServicesAbout the RegionJoin Our TeamPhysicians
Find:  Locations | Services
Pathology and Laboratory Medicine HomeTest and Services CatalogueTransfusion Medicine Product CataloguePolicy and ProcedureJob AidsSpecimen Collection and TransportRequisitionsAntibiogramsGenetic Testing and Molecular GeneticsMicrobiology EssentialsTransfusion EssentialsReference RangesLaboratory SuppliesAcute Care SCM GuidelinesContact InformationPhysician Access to Patient ResultsNew Clinic or Provider Information Changes
Pathology and Laboratory Medicine
Test Catalogue



​Ordering Recommendation 
  • Please provide drug dose information, frequency, method and date and time of last dose prior to draw on the Pharmacokinetics Lab (PK) requisition available on the National Jewish Health website
  • If the exact time of dose and blood draw are not accurately recorded, accurate interpretation cannot be provided by the reference laboratory

​Specimen Requirements​

  • ​Serum
​Collection Procedure
  • ​Aliquot and freeze as soon as possible after collection or within 6 hours​​
​​Required Volume
  • ​Optimal Volume: Two 4.0 mL Full collection tubes
  • Minimum Volume:  2 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
  • ​Stable for up to 6 hours at room temperature.
  • Ship frozen on dry ice
Grounds for Rejection​

Testing Information​ ​

  • ​Shipped as received
Testing Site​
  • ​Referred out by St. Paul’s Hospital Laboratory​ to National Jewish Health Center

Results Reporting​
  • Within 10 days by testing laboratory
SHR LIS Test Code​
  • ​RIFAM (For Laboratory Use Only)​
​ ​Test Ordering Requirements
​Preferred Specimen Collection
  • Send patient to a PSC or to Hospital Test Centre for collection, if unable to process within the required time frame.

​Forms Required
  • Pharmacokinetics Lab (PK) National Jewish Health Requisition
  • Fully complete Pharmacokinetics requisition, including drug dose amount, frequency, method, and date and time of last dose prior to draw (available on National Jewish website)


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

Laboratory Controlled Document LSM-744 v4

Last Modified: Thursday, October 20, 2022 |
Questions or feedback about this page?