- YB2MU
Beta-2-Microglobulin, Urine
Specimen:
Test Code
YB2MU
Specimen Name
Beta-2-Microglobulin, Urine
Collect
1-Sterile Urine Cup
Submit
3 mLs (Min: 1 mL) Random Urine Frozen
Special Handling
Void the urinary bladder, then drink a large glass of water (around 500 mL or 17 oz) and collect a urine specimen within 1 hour.
Transfer one 3 mL aliquot from a well-mixed random collection to a standard transport tube. (Min: 1 mL) If pH is greater than 8, lower pH to 6-8 by adding 1M HCL. If pH less than 6, increase pH to 6-8 by adding 5% NaOH. Titrate with appropriate preservative until pH of 6-8 has been reached. Record the pH on the transport tube and test request form.
Transfer one 3 mL aliquot from a well-mixed random collection to a standard transport tube. (Min: 1 mL) If pH is greater than 8, lower pH to 6-8 by adding 1M HCL. If pH less than 6, increase pH to 6-8 by adding 5% NaOH. Titrate with appropriate preservative until pH of 6-8 has been reached. Record the pH on the transport tube and test request form.
Rejection Criteria
Grossly hemolyzed specimens. Urine pH less than 2 or greater than 10.
Stability
Ambient 8 hours; Refrigerated 48 hours; Frozen 2 months
Methodology
Quantitative Chemiluminescent Immunoassay (CLIA)
Performed
Sunday - Saturday
Reported
2-3 days
CPT Codes
- 82232
Components
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Additional Information
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Common Lab Definitions
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