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Test Name:
Beta-2-Microglobulin, Industrial, Urine
- SBMF No:
30004 - Performance Lab Name:
Manual Lab - Test Mnemonic:
U B2M OSHA - ABN:
May be required – Medical Necessity - CPT Code:
82232; 82570 - LOINC Code:
1953-9; 2161-8; 13485-8 - Test Includes:
Beta-2-Microglobulin, Urine
Creatinine, Urine
Beta-2-Microglobulin/Creatinine Ratio, Urine - Also Known As:
Beta-2-Microglobulin, OSHA Protocol for Biological Monitoring, Urine
B2MU - Also See:
23365 Cadmium, Industrial, Urine
23382 Cadmium, Blood - Spec Type:
Urine, random - Spec Container:
Plastic container with tightly fitting lid - Alt Spec Type:
Urine, 24-hour - Alt Spec Container:
24-hour plastic urine container - Pref Vol:
1.0 mL - Min Vol:
0.3 mL - Spec Store Transport:
Refrigerated (48 hours) or frozen - Spec Stability:
48 hours refrigerated (2-8°C)
2 weeks frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Methodology:
Chemiluminescent Immunoassay (CLIA)
Photometric - Use:
Medical monitoring on cadmium exposed workers - Clinical Significance:
Under the final OSHA cadmium rule (29 CFR 1910), monitoring of biological specimens and several periodic medical examinations are required for eligible employees. Periodic analysis of cadmium in blood (CDB), cadmium in urine (CDU), and Beta-2-microglobulin in urine (B2MU) are to be included in these medical examinations and to be conducted regularly.
The South Bend Medical Foundation performs these tests following our internal QC/QA program for each analytical procedure. To test proficiency in the analysis of CDB, CDU and B2MU, the SBMF participates in proficiency testing program (CD) offered by the College of American pathologists (CAP).
- Reference Range:
Beta-2-Microglobulin, Urine
0-300 μg/g creatNote:
Results are reported following the recommendation of OSHA, Labor Appendix F to § 1910.1027 – Nonmandatory Protocol for Biological Monitoring. - Day Run:
Thu - Time Run:
8:00 am - Time Reported:
5:00 pm - Test Type:
URINE