Kappa/Lambda Free Light Chains Quantitative
| Abbrev Code: | FLCS | ||
| Order Code: | LAB4353 | Order Name: | Kappa/Lambda Free Light Chains |
| Synonyms: | Quantitative Kappa Light Chains; Quantitative Lamda Light Chains; Immunoglobulin Free Light Chains; Kappa FLC; Lambda FLC; Serum Free Light Chains; Free Light Chains Ratio | ||
| Methodology: | Immunoturbidimetry | ||
| CPT Codes: | 83521 x2, 83521 x2 | ||
| Turnaround Time: | Performed Mon, Wed, Fri; results are reported within 1-3 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 0.8 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Causes for Rejection: | Plasma specimens. Hemolysis. |
Processing and Shipping
| Specimen Processing: | Centrifuge ASAP and aliquot 0.5 mL, 0.3 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | After separation from cells: 1 week refrigerated; 2 weeks frozen. |
| Test Performed at or Referral Lab | UM Specialty Core/Prot/Endo (Optilite C) |
Interpretive
| Reference Range: |
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| Use: | Aids in the diagnosis and monitoring of multiple myeloma, lymphocytic neoplasms, Waldenstrom's macroglobulinemia, AL amyloidosis, light chain deposition disease and connective tissue diseases such as systemic lupus erythematosus (SLE) in conjunction with other laboratory and clinical findings. |
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