Rubella – Avidity
Submission and Collection Notes
Indicate the following on the General Test Requisition Form:
- pregnancy- specify the number of weeks gestation
- date of rash and/ fever onset
- history of vaccination
- travel/exposure history
- approval status by NML
Hemolysed, icteric, lipemic or microbially contaminated sera or plasma are not recommended for testing.
Storage and 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.
Centrifuge if using SST. Place specimen in biohazard bag and seal. Specimens should be stored at 2-8°C following collection and shipped to PHO laboratory on ice packs as soon as possible.
Test Frequency and Turnaround Time (TAT)
Rubella IgG – Avidity testing is referred to the National Microbiology Laboratory (NML) in Winnipeg.
Turnaround time for test results is up to 14 days from receipt by PHO laboratory.