Beta 2 Microglobulin, Blood - Saskatoon

Overview

Alias

• ​Β2 microglobulin

Specimen Information

Specimen types accepted

• Plasma

Specimen collection container

• ​Preferred collection container: Blood - Light green (Lithium Heparin gel)
• Alternative collection container: Blood - Gold (gel), Red (no gel)

Required volume

• ​Optimal volume: 4.5 mL full collection tube
• Minimum volume: 1 mL

(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

Transport and stability

• 3 days at 2-8ºC

Rejection criteria

• ​Specimens received where the proper collection protocols were not followed
• Pathology and Laboratory Medicine Acceptance and Rejection Criteria

Performance

Methodology

• ​Immunological agglutination with latex reaction enhancement

Days/times performed

Availability	24 hours​
Testing Site	RUH

 

Maximum laboratory time

Results reporting

• In hospital reported within 2 hours
• Community urgent and inter-hospital reported within 4 hours
• Community routine reported within 24 hours

Specimen retention time

• 3 days

Last Updated: February 6, 2026