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Vanderbilt Pathology Laboratory Services

Test Directory



FREE LIGHT CHAINS QUANT (FLC)

Department: Chemistry
Test Synonym(s): FLC
Test Components: Test includes KLC, LLC and calculated K/L Ratio
CPT Codes: 83883 x2
Methodology: Nephelometry
Reference Range: 0.26-1.65
Tube Type: Red top tube (no gel) or Red top tube (SST)
Specimen: Serum
Pediatric Requirements: 1 Red top microtainer
Volume: 4.0 mL Serum
Minimum Volume: 300 mcL Serum
Temperature: 2-8C

Stability: After separation from cells: Ambient-2 hours; Refrigerated-1 week; Frozen-2 weeks
Reasons for Rejection: Plasma or ambient specimens
Days Performed: Daily
Times Performed: Continuous
TAT: 1 day

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