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Serum Free Light Chains

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Also known as: Free Light Chains; SFLC; FLC; Kappa and Lambda Free Light Chains; Quantitative Serum Free Light Chains with Ratio
Formal name: Light Chains, Free; Free Kappa/Lambda Ratio

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At a Glance

Why Get Tested?

To help detect, diagnose, and monitor plasma cell disorders (dyscrasias) such as multiple myeloma, primary amyloidosis, and related diseases or to monitor the effectiveness of treatment

When to Get Tested?

When you have bone pain, fractures, anemia (with normal size and shape red blood cells (normocytic)), kidney disease, and recurrent infections that your healthcare practitioner suspects are due to a plasma cell disorder; when you are being treated for a plasma cell disorder

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?