Kappa Free Light Chains (Bence Jones Protein), Quantitative, Urine
0050689
Ordering Recommendation
Quantify and determine clonality of free kappa light chains (Bence Jones protein) in urine.
Mnemonic
BJQNTKAPP
Methodology
Quantitative Nephelometry/Qualitative Immunofixation Electrophoresis
Performed
Mon-Fri
Reported
1-5 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
24-hour urine. Refrigerate during collection. Also acceptable: Urine supernate.  
Specimen Preparation
Transfer two 4 mL aliquots from a well-mixed 24-hour urine collection to individual ARUP Standard Transport Tubes. (Min: 3 mL) Record total volume and collection time interval on transport tube and test request form.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
  
Remarks
  
Stability
Ambient: 2 hours; Refrigerated: 1 week; Frozen: Unacceptable  
Reference Interval
Total Protein: 10-140 mg/d               
Albumin: Detected         
Alpha-1 Globulins: None detected 
Alpha-2 Globulins: None detected                           
Beta Globulins: None detected                 
Gamma Globulins: None detected           
Free Kappa Light Chains: 0.14 - 2.42 mg/dL
Free Kappa Excretion/day: By report
IFE Interpretation: By report  
Interpretive Data
 
Note
 
CPT Code(s)
84156; 86335; 83883
Components
Component Test Code*Component Chart Name
0050025Albumin, Urine
0050050Alpha-1, Urine
0050055Alpha-2, Urine
0050120Urine Beta Globulin
0050285Gamma, Urine
0050565Total Protein
0050683Free Urinary Kappa Light Chains
0050684Free Urinary Kappa Excretion/Day
0050688IFE Interpretation
0097110Total Volume
0097111Hours Collected
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Aliases
  • IFE
  • Bence Jones Protein quant
  • Free Kappa Light Chains, IFE
  • Free Urinary Kappa Light Chains
  • Urinary Kappa Light Chains