Serum Kappa Light Chain

Specimen Required

3-5cc Clotted Blood or Serum

Fasting Required

Purpose of the Test

The serum kappa light chain test is used to evaluate and monitor certain blood cell disorders, such as multiple myeloma, lymphoma, and amyloidosis. It measures the levels of kappa light chains, which are proteins produced by plasma cells, in the blood.

When this test is required

The test may be requested if someone is showing symptoms of a blood cell disorder or if a healthcare provider suspects the presence of a disorder based on other tests and evaluations.

What the Test Detects

The serum kappa light chain test measures the levels of kappa light chains, which are proteins produced by plasma cells, in the blood. Elevated levels of kappa light chains may indicate the presence of a blood cell disorder, such as multiple myeloma, lymphoma, or amyloidosis.

Preparation for the Test

There is no specific preparation needed for the test. However, it may be recommended to fast for a certain period of time prior to the test, depending on the healthcare provider’s instructions.

Sample Requirements

The test requires a blood sample, which is usually drawn from a vein in the arm.

Additional Notes

It is important to note that the serum kappa light chain test is not specific to any one disorder and should be used in conjunction with other tests and evaluations to make a diagnosis. It is also important to discuss the test results with a healthcare provider to understand their implications and how they will be used in treatment planning.

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