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Pathology and Laboratory Medicine
Test Catalogue

​Lead, Whole Blood


Ordering Recommendation

  • ​Determining blood lead levels is the most common method for confirming lead exposure
  • Please specify specimen type on requisition​

​ ​Specimen Requirements

  • ​Whole blood
​Required Volume
  • ​Optimal Volume: 6 mL Full collection tube
​Collection Procedure
  • ​Do not open tube or separate plasma
Grounds for Rejection​

Testing Information​ ​

  • ​Shipped daily Monday to Friday
Testing Site​
  • ​Referred out by St. Paul’s Hospital Laboratory to Roy Romanow Provincial Laboratory
Results Reporting​
  • 2 week turnaround time by testing laboratory
​Reflex Testing
  • ​Arsenic, Cadmium, Lead, Mercury, Nickel and Thallium are performed simultaneously on all specimens
​Additional Comment
  • ​Avoid mineral supplements for 5 days prior to collection
  • High concentrations of gadolinium and iodine are known to interfere with most metal tests 
  • Elevated results may be due to collection-related contamination, e.g. use of a noncertified lead free tube; Recommend to confirm abnormal results with a second specimen collected in a lead-free tube. 
SHR LIS Test Code​
  • ​LEADQ (For Laboratory Use Only)


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

Laboratory Controlled Document LSM-690 v6

Last Modified: Tuesday, October 23, 2018 |
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