The DLC test measures the levels of free light chains in the blood, specifically kappa and lambda light chains. These are components of immunoglobulins, and their levels can be useful in diagnosing and monitoring conditions like multiple myeloma a...

Pre-Test Risks: There are generally no specific risks associated with the blood draw itself, but if you have a bleeding disorder or are on anticoagulant therapy, this should be communicated to your healthcare provider.
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Kappa Light Chains: Typically, the normal range is approximately 3.3 to 19.4 mg/L.
Lambda Light Chains: Typically, the normal range is approximately 5.7 to 26.3 mg/L.

Elevated Kappa or Lambda Light Chains: Increased levels can indicate plasma cell disorders, such as multiple myeloma or light chain amyloidosis.
Elevated Kappa/Lambda Ratio: An abnormal ratio (either too high o...