Lambda light chains free
A free light chains test measures the level of free light chains in your blood. The normal range is 5.7–26.3 mg/L for adults, as American Board of Internal Medicine (Laboratory Test Reference Ranges) publishes it.
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 MedicineNormal range
2 published ranges, each from a named source 5.726.3 mg/L drawn: all ages · American Board of Internal Medicine (Laboratory Test Reference Ranges)
- Normal
- 5.7–26.3 mg/L (varies by lab)ABIM 5.7–26.3 · ARUP 5.71–26.3 mg/L
All source ranges (2)
by lab, sex and age, as published ·
| Source | Sex | Age | Range |
|---|---|---|---|
| American Board of Internal Medicine (Laboratory Test Reference Ranges) | All | all ages | 5.7–26.3 mg/L |
| ARUP Laboratories Test Directory | All | all ages | 5.71–26.3 mg/L |
- Sample
- Serum or plasma · LOINC
- Part of
- Immunoglobulin light chains.free panel
- Listed under
- Amyloidosis · Multiple Myeloma
- Code
- LOINC 33944-0 · mg/L
- Also called
- Lambda LC Free
See your own Lambda light chains free Upload a lab PDF and it is drawn against your lab's range, over time. Free, no account. Upload a Blood Test
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