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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