Test Code FRELT / KLFLC-MC KAPPA/LAMBDA FREE LIGHT CHAINS, QUANTITATIVE, SERUM
Additional Codes
Software | Test Code |
---|---|
SoftID | FRELT |
EPIC | LAB10886 |
Michigan Co-Tenancy Laboratory | KLFLC |
Performing Laboratory
Michigan Co-Tenancy Laboratory at Warde Medical Laboratory (MCL)
Method Name
Nephelometry
Reference Values
Lambda Quantitation Free Light Chains, Serum: 0.57-2.63 mg/dL
Kappa Quantitative Free Light Chains, Serum: 0.33-1.94 mg/dL
Kappa/Lambda Light Chain Ratio, Serum: 0.26-1.65
Days and Times Test Performed
Monday through Friday
Report Available
3 Days
Specimen Type
Serum
Preferred Container
Serum Separator Tube (SST)
Preferred Volume
Serum: 2 mL (Serum Separator Tube (SST))
Minimum Volume
Serum: 0.5 mL (Serum Separator Tube (SST))
Specimen Collection and Handling
Spin specimen, separate from clot and send refrigerated in a screw-capped plastic vial.
Specimen Stability Information
Specimen Type: Serum
Frozen: 2 Months
Refrigerated: 3 Weeks
Add On Capable
Contact Reference Lab – If add-on can never be done, report the test to the Administrative Analyst
Advance Beneficiary Notice Requirements
This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.
CPT Code Information
CPT Code |
CPT Description |
CPT Disclaimer |
---|---|---|
83521 x2 | Immunoglobulin light chains free each |
Keywords
FREE LIGHT CHAINS QUANTITATIVE
Performing Laboratory Location
Michigan Co-Tenancy Laboratory at Warde Medical Laboratory (MCL)
Clinical Significance
Biotin interference would falsely increase the result of this assay.
LOINC Code Information
80515-0
80516-8
80517-6
Acceptable Alternative Container(s)
Red Top Tube
Rejection Information
Hemolysis or lipemia