β-2-Microglobulin
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Beta-2-Microglobulin, Serum/Plasma
Test ID: B2MG S
Test
Method
Immunoturbidimetry
Method Description
Turbidimetric assays not suitable for measurement of highly lipemic or hemolytic samples or samples containing high levels of circulating immune complexes.
Report Includes
Specimens
Serum or Plasma (LiHep)
Clinical Utility
Increased in B-cell malignancies and glomerular dysfunction; also non-specifically increased in inflammatory diseases and some malignancies
Test Location
London Health Sciences Centre, 339 Windermere Road, London ON N6A 5A5
Test Version
7-Feb-2024
Specimen
Specimens
Serum or Plasma (LiHep)
Collection Containers
Green top (lithium heparin); Gold top (clot activator & gel); Red top (no additive)
Sample Volume
1 mL
Specimen Comment
Fasting non-hemolyzed specimen preferred due to assay interferences.
Pediatric Volume
2 mL
Pediatric Minimum
0.5 mL
Pediatric Comment
0-2 years: 0.5 mL Green top (Li- Heparin) Microtainer
2-10 years: 2 mL Green top (Li-Heparin) Vacutainer tube
Patient Preparation
Fasting preferred
Collection & Handling
Collection Instructions
Avoid hemolysis
Handling Information
Store and send frozen.
Stability
| Refrigerated | 3 days |
|---|---|
| Frozen | 180 days |
Test Version
7-Feb-2024
Performance / Interpretation
Method
Immunoturbidimetry
Method Description
Turbidimetric assays not suitable for measurement of highly lipemic or hemolytic samples or samples containing high levels of circulating immune complexes.
Turnaround Time
5 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| β-2-Microglobulin, Serum | mg/L |
|
nmol/L x 0.0118 | |
Test Location
London Health Sciences Centre, 339 Windermere Road, London ON N6A 5A5
Test Version
7-Feb-2024
Interface / Setup
Test Version
7-Feb-2024