Lambda light chains free

A free light chains test measures the level of free light chains in your blood. Light chains are proteins made by plasma cells, a type of white blood cell. Light chains usually link up with other proteins called heavy chains. Together, the light and heavy chains make immunoglobulins, also called antibodies.

A free light chains test is used to measure the level of free light chains in the blood and compare the amount of kappa and lambda light chains. This ratio can help diagnose or monitor how well the treatment of plasma cell disorders is working.

Source: MedlinePlus, U.S. National Library of Medicine

Normal range

2 published ranges, each from a named source
Normal
5.7–26.3 mg/L (varies by lab)ABIM 5.7–26.3 · ARUP 5.71–26.3 mg/L
Ranges from ARUP Laboratories Test Directory, American Board of Internal Medicine (Laboratory Test Reference Ranges).

All source ranges (2)

details
Sample
Serum or plasma · LOINC
Part of
Immunoglobulin light chains.free panel
Listed under
Amyloidosis · Multiple Myeloma
Code
LOINC 33944-0 · mg/L
Also known as
BJ Protein, BJP, Chain, Lambda LC, Lambda LC Free
See your own Lambda light chains free Add a lab report and it is drawn against your lab's range, over time. Upload a Blood Test