| Free Kappa Test Normal Range | Sample | Male | Female |
| Serum | 3.3 - 19.4 mg/L | 3.3 - 19.4 mg/L | |
| Urine | 0.01 - 32.71 mg/L | 0.01 - 32.71 mg/L | |
| Free Lambda Test Normal Range | Sample | Male | Female |
| Serum | 5.71 - 26.3 mg/L | 5.71 - 26.3 mg/L | |
| Urine | < 4.99 mg/L | < 4.99 mg/L | |
| Kappa/Lambda Serum Ratio Test Normal Range | Sample | Male | Female |
| Serum | 0.26 - 1.65 | 0.26 - 1.65 | |
| Urine | 0.461 - 4.0 | 0.461 - 4.0 |
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