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An indicates that the balance between two types of proteins— kappa and lambda free light chains—is outside the standard range of roughly 0.26 to 1.65 . These proteins are produced by plasma cells to help your immune system fight infections.
While an abnormal ratio can sometimes indicate a serious condition, it is often caused by non-cancerous factors. Common Causes of an Abnormal Ratio Abnormal Serum Light Chain Ratio
Conditions like rheumatoid arthritis or recent viral infections can temporarily increase light chain production. An indicates that the balance between two types
Your doctor will likely look at your results alongside other health markers to determine if follow-up is needed: Free Light Chains: MedlinePlus Medical Test Common Causes of an Abnormal Ratio Conditions like
Conditions like multiple myeloma or MGUS (Monoclonal Gammopathy of Undetermined Significance) can cause one type of light chain to be overproduced, skewing the ratio.
A rare condition where misfolded light chains build up in organs like the heart or kidneys. Typical Next Steps
