Beta-2 microglobulin, urine-994

Test info

  
Beta-2 microglobulin, urine
  
994
  
LAB994
  
MSO
  
β-2 microglobulin, urine
Beta-2-microglobulin
B2M
B2-M
B-2
B-2 Microglobulin
B2 Microglobulin
Beta 2 microglobulin
  
  • Evaluate renal disease
  • Monitor certain types of malignancies and AIDS

Specimen

  

Patient should empty the bladder, then drink a large glass of water and collect a urine sample within 1 hour.

  
Urine, random
  
  
10 mL
  
1.0 mL
  
  • Significant loss of B(2)-microglobulin activity may occur in acidic urine (pH ≤6).
  • Urine should always be collected at high diuresis and the pH adjusted to between 6 and 8 with 1 mol/L sodium hydroxide (NaOH).
  

Screw cap plastic container (sterile)

  

Refrigerated (preferred) - 7 days

Ambient  - 7 days

Frozen - 14 days

Freeze/thaw cycles - stable x3

Performance

  
LabCorp Burlington (010173): R-NX
  
Mo - Fr
  
5 days
  

Immunochemiluminometric assay (ICMA)

Clinical and Interpretive info

  

0 - 300 μg/L

Billing

  
82232
  
Result 1953-9

Tracking

  
05/31/2019
  
03/17/2022
  
02/20/2024