| Ordering Code | 5180 |
|---|---|
| Test Name | Kappa and Lambda Light Chains, Free |
| Alias | Kappa and Lambda Light Chains, Free with Ratio, Serum Kappa/Lambda Light Chains, Free With Ratio, Serum |
| Preferred Specimen | Serum |
| Preferred Container | SST (Gold) |
| Other Specimen/Container | Serum in Plain (Red) |
| Optimum Volume | 1 mL |
| Transport Requirements | Oahu: Refrigerated Airline: Refrigerated |
| Specimen Stability | Refrigerated: 21 Days |
| Rejection Criteria | Grossly hemolyzed, Insufficient quantity, Specimen older than stability limits, Severely turbid samples |
| Avail. Stat | NO |
| Analytic Time | 3 Days |
| Methodology | Turbidimetric/Immunoturbidimetric |
Reference range(s)
The reference ranges listed below are valid on this date of August 15, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Free Kappa Chains | ALL | 3.30-19.40 | 3.30-19.40 | mg/L | |||||
| Free Lambda Chains | ALL | 5.71-26.30 | 5.71-26.30 | mg/L | |||||
| Free Kappa/Lambda Ratio | ALL | 0.26-1.65 | 0.26-1.65 | Ratio |