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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. Monitor treatment response if gammopathy is known to be lambda.

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.
Submit With Order
ARUP Consult®
Disease Topics
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 NameLOINC
0050025Albumin, Urine29946-1
0050050Alpha-1, Urine29945-3
0050055Alpha-2, Urine29947-9
0050120Urine Beta Globulin53772-0
0050285Gamma, Urine53773-8
0050565Total Protein2889-4
0050685Free Urinary Lambda Light Chain38178-0
0050686Free Urinary Lambda Excretion/Day38169-9
0050688IFE Interpretation13440-3
0097110Total Volume19153-6
0097111Hours Collected30211-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Bence Jones Protein quantitative
  • Free Lambda Light Chains, IFE
  • Free Urinary Lambda Light Chain
  • IFE
  • Urinary Lambda Light chains