Immunoglobulin total light chains, urine

Alphabetical Test listing

Immunoglobulin total light chains, urine-7873

  
Immunoglobulin total light chains, urine
  
7873
  
LAB7873
  
ILU
  
Immunoglobulin light chains
Kappa light chains
Kappa/lambda light chains
Lambda light chains
Urine light chains
  
  • Monitoring patients whose urine demonstrates large M-spikes
  • Confirming the quantitation of specimens that show M-spikes by electrophoresis
  • Detecting urine monoclonal proteins and identification of specimens that need urine protein electrophoresis
  
Urine, 24 hr
  
10 mL
  
  
  1. Temperature controls must occur within 4 hours of completion of collection.
  2. Record total volume.
  3. Mix well
  4. Transfer a 10.0mL aliquot to a Mayo Screw Cap Transfer Vial (T465)
  
  
Urine, random
  

Screw cap plastic container (non sterile)

  

Refrigerated (preferred) - 7 days

Ambient (OK) - 72 hours

Frozen (OK) - 20 days

  
Mayo Clinic Laboratories (TLCU/87934): R-NX
  
Mo - Sa
  
1 - 3 days
  

Nephelometry

  

Kappa total: < 0.9 mg/dL

Lambda total: < 0.7 mg/dL

Kappa/lambda ratio: 0.70 - 6.20

  
83883 x 2
  
06/01/2007
  
01/08/2020