From: Effect of specimen type on free immunoglobulin light chains analysis on the Roche Diagnostics cobas 8000 analyzer
Light chain assay
Mean (mg/L)
Within-run imprecision % CV (n = 10)
Between-run imprecision % CV (n = 20)
Kappa
17.4
2.9
4.8
34.1
3.5
4.6
Lambda
30.0
3.4
4.9
Lamdba
63.3
2.6
4.5