Beta-2-Microglobulin, Serum
| Abbrev Code: | B2M | ||
| Order Code: | LAB49 | Order Name: | BETA 2 microglobulin |
| Synonyms: | Beta 2 Microglobulin | ||
| Methodology: | Chemiluminescent immunoassay | ||
| CPT Codes: | 82232 x1 | ||
| Turnaround Time: | Performed Mon-Fri; results are reported the same day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 0.8 mL |
| Minimum\Peds Volume: | 0.5 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Causes for Rejection: | Samples not separated from cells within 2 hours of collection. |
Processing and Shipping
| Specimen Processing: | Within 2 hours centrifuge at room temperature; aliquot 0.3 mL, 0.15 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Test Performed at or Referral Lab | UM Specialty Core/Prot/Endo (Immulite H) |
Interpretive
| Reference Range: | Less than 2.3 mg/L. The Siemens Immulite 2000 Beta-2-microglobulin chemiluminescent immunoassay method is used. Results obtained with different assay methods or kits cannot be used interchangeably. |
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