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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
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: 4 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
 
Remarks
Record total volume and collection time interval on transport tube and test request form.  
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
Hotline History
View Hotline History
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
0050683Free Urinary Kappa Light Chains38176-4
0050684Free Urinary Kappa Excretion/Day38177-2
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
  • IFE
  • Bence Jones Protein quant
  • Free Kappa Light Chains, IFE
  • Free Urinary Kappa Light Chains
  • Urinary Kappa Light Chains