Lambda Free Light Chains (Bence Jones Protein), Quantitative, Urine
0050682
Ordering Recommendation
Quantify and determine clonality of free lambda light chains (Bence Jones protein) in urine.
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Mnemonic
BJQNTLAMB
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.
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 Lambda Light Chains: 0.02 - 0.67 mg/dL
Free Lambda 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
0050685Free Urinary Lambda Light Chain
0050686Free Urinary Lambda Excretion/Day
0050688IFE Interpretation
0097110Total Volume
0097111Hours Collected
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Cross References
  • Bence Jones Protein quantitative
  • Free Lambda Light Chains, IFE
  • Free Urinary Lambda Light Chain
  • IFE
  • Urinary Lambda Light chains