ARUP's Laboratory Test Directory

Bence Jones Protein, Quantitative Free Lambda Light Chains, Urine : 0050682

Mnemonic: BJQNTLAMB

Methodology: Nephelometry/Immunofixation Electrophoresis
Performed: Mon-Fri
Reported: 1-5 days
Specimen Required: Collect:  24-hour urine. Urine supernate is also acceptable. Specimen needs to be refrigerated during collection.

Storage/Transport Temperature:  Two 4.5 mL aliquots from a well-mixed 24-hour urine collection at 2-8°C.  (Min: 4.5 mL)  Submit specimen in two ARUP Standard Transport Tubes.

Remarks:  Keep refrigerated at all times. Record total volume and collection time interval on transport tube and test request form.

Unacceptable Conditions:  Random specimens.  Specimens that are not refrigerated.

Stability (collection to initiation of testing):  Ambient: 2 hours; Refrigerated: 1 week; Frozen: 1 month
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
CPT Code(s): 84156 Total protein; 86335 IFE; 83883 Nephelometry, lambda
Cross References: Bence Jones Protein, Quantitative Lambda, Urine, Free Lambda Light Chains (Bence Jones Protein), Urine by Immunofixation Electrophoresis, Quantitative
 
 

 

 

 
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