Aid in evaluation and management of multiple myeloma and related plasma cell disorders. Indicated for the diagnosis of patients with oligosecretory or nonsecretory multiple myeloma and light chain amyloidosis.
- Patient Preparation
- Collect
- Serum separator tube.
- Specimen Preparation
- Remove serum from cells ASAP or within 2 hours of collection. Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
- Storage/Transport Temperature
- Refrigerated.
- Unacceptable Conditions
- Plasma. Room temperature specimens.
- Remarks
- Stability
- After separation from cells: Ambient: 2 hours; Refrigerated: 1 week; Frozen: 2 weeks
Test Number | Components | Reference Interval |
---|---|---|
  | Lambda Qnt Free Light Chains | 0.57-2.63 mg/dL |
  | Kappa Qnt Free Light Chains | 0.33 - 1.94 mg/dL |
  | Kappa/Lambda Free Light Chain Ratio | 0.26-1.65 |
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0055168 | Kappa Qnt Free Light Chains | 36916-5 |
0055169 | Lambda Qnt Free Light Chains | 33944-0 |
0055179 | Kappa/Lambda Free Light Chain Ratio | 80517-6 |
- Kappa Qnt Free Light Chains
- Kappa/Lambda Free Light Chain Ratio
- Lambda Qnt Free Light Chains