This test measures lambda free light chains, complementing kappa testing to assess immune system protein balance.
Diagnostic Value: Elevated lambda light chains, or an abnormal kappa-to-lambda ratio, can signal abnormal plasma cell activity, chronic inflammation, or renal dysfunction.
Clinical Significance: Evaluating both kappa and lambda levels provides a complete picture of protein metabolism and helps diagnose disorders that affect renal filtration capacity.
Symptom Correlation: Patients may experience weakness, edema, or foamy urine due to accumulation of abnormal proteins affecting kidney function.
Because it enhances sensitivity in detecting protein-related kidney disease, the lambda light chain test is valuable in both diagnosis and disease monitoring.