Beta-2-Microglobulin, Serum
Test Mnemonic
B2M
CPT Codes
- 82232 - QTY (1)
LOINC ®
1952-1
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | Lithium heparin PST (Lt. Green) | Centrifuge and refrigerate. | Submit in original tube or aliquot into CCL aliquot tube |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Centrifuge and refrigerate. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.4 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 3 days |
| Refrigerated | 3 days |
| Frozen | 6 months |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Turbidimetric Immunoassay (TUI) |
Reference Range
| Beta-2-Microglobulin, Serum | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 59 Years | Normal | 0.8 - 2.4 | mg/L | 60 Years | 99 Years | Normal | < 3.1 | mg/L |
Special Info
Beta-2 Microglobulin test is performed using the Roche Diagnostics immunoturbidimetric method. Results obtained with different methods or kits cannot be used interchangeably.
Clinical Info
Evaluation of renal tubular toxicity, immune disorders, lymphoid malignancies