Immunoglobulin total light chains, urine-7873

Test info

  
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

Specimen

  
Urine, 24 hr
  
24 hour urine collection
  
10 mL aliquot from a 24 hour urine collection
  
  
  1. Temperature controls must occur within 4 hours of completion of collection
  2. Mix well
  3. Transfer a 10.0mL aliquot to a Screw cap transfer vial/tube (Mayo T914)
  
  
Urine, random
  
  

Transfer a 10.0mL aliquot to a Screw cap transfer vial/tube (Mayo T914)

  

Refrigerated (preferred) - 7 days

Ambient - 72 hours

Frozen - 20 days

Performance

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

Nephelometry

Clinical and Interpretive info

  

Kappa total: < 0.9 mg/dL

Lambda total: < 0.7 mg/dL

Kappa/lambda ratio: 0.70 - 6.20

Billing

  
83521 x 2
  
17024276
17024277
  
308352102
308352103

Tracking

  
06/01/2007
  
01/04/2024
  
01/04/2024