80843:BETA-2 MICROGLOBULIN, URINE

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80843:BETA-2 MICROGLOBULIN, URINE
Alias Names: B2MU
Methodology: Chemiluminescent Immunoassay (CLIA)
Edit Date: 3/17/2009
Performed: Daily
Released: 24-48 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 82232-90
Specimen Collection Details
Collection: Random urine. Have patient empty bladder and drink a large glass of water. Collect the urine specimen within 1 hour.
Handling: Mix well and aliquot. If pH is >8.0, lower pH to 6.0-8.0 by adding 1M HCl. If pH is <6.0, increase pH to 6.0-8.0 by adding 5% NaOH. Titrate with appropriate preservative until pH of 6.0-8.0 has been reached. Freeze. Record the pH on the transport tube and requisition.
Stability: 8 hours ambient, 48 hours refrigerated, or 2 months frozen.
Standard Volume: 4 mL aliquot.
Minimum Volume: 1 mL aliquot.
Transport: Frozen on dry ice.

Beta-2 Microglobulin, Urine 0-160 ug/L
Beta-2 Microglobulin per gram of creatinine 0-300 ug/g CRT