Lead – Blood and Urine Testing
Submission and Collection Notes
Whole blood specimen should be mixed to ensure anticoagulant is effective to minimize clotting. Clotted blood will not be analyzed
Record volume collected and note if 24 hour collection on the requisition.
Preparation Prior to Transport
Label the specimen container with the patient’s full name, date of collection and one other unique identifier such as the patient’s date of birth or Health Card Number. Failure to provide this information may result in rejection or testing delay.
Specimens should be stored at 2-8°C following collection and shipped to PHOL on ice packs.
Test Frequency and Turnaround Time (TAT)
Lead testing is performed Monday to Friday.
Turnaround time is up to 5 days from receipt at PHO laboratory
Results are reported to the ordering physician or health care provider as indicated on the requisition
Lead testing for blood and urine is performed by Atomic Absorption Spectrophotometry with Zeeman background correction.