Kappa/Lambda Light Chains Only - Serum
Order Name
Free Light Only
Test Number: 6907201
Revision Date 01/01/2022
Test Number: 6907201
Revision Date 01/01/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Free Kappa Light Chains
|
Turbidometric | 36916-5 |
|
Free Lambda Light Chains
|
Turbidometric | 33944-0 |
|
Free Kappa/Lambda Light Chains Ratio
|
Calculation | 48378-4 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 2 mL (1 mL) | Serum | Clot Activator SST | Refrigerated |
| Instructions | Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Stability After separation from cells: Ambient 4hours, Refrigerated 7 days, Frozen 1 months (avoid repeated freeze/thaw cycles). |
|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | 1-3 Days |
| Expected TAT | Mon - Fri |
| Clinical Use | Quantitative serum Kappa and Lambda with Kappa/Lambda ratio results |
| Notes | Kappa/Lambda Light Chains without Pathology Interpretation |
| CPT Code(s) | 83521x2 |
| Lab Section | Immunology - Serology |