We perform medical diagnostic tests and efficiently provide accurate results that help your physician screen for, diagnose, and manage the treatment of health problems.


Kappa and Lambda Free Light Chains (Bence Jones Protein), Quantitative, Urine

CPT Code(s): 84156; 86335; 83883 x2
Specimen Required: Patient Preparation:
Collect:24-hour urine. Refrigerate during collection. Also acceptable: Random urine specimens and urine supernate.
Specimen Preparation:Transfer two 4 mL aliquots from a well-mixed 24-hour collection to individual RDL Standard Transport Tubes. (Min: 3 mL) Record total volume and collection time interval on transport tube and test request form.
Storage/Transport Temperature:Refrigerated.
Stability:Ambient: 2 hours; Refrigerated: 1 week; Frozen: Unacceptable
New York DOH Approval Status: This test is New York DOH approved.
  • Free Kappa & Lambda Light Chains, IFEFree Urinary Kappa Light ChainsFree Urinary Kappa/Lambda RatioFree Urinary Lambda Light ChainIFE urine, Immunofixation Electrophoresis, urineMonoclonal protein detection and quantitation, urineMonoclonal Protein Study, Random UrineUPEPUrinary Light Chains, IFE