Free Light Chains

Last updated: Thursday, 16, August, 2007
Item Process
Specimen

5mL blood in plain tube.

Method

Immunoassay

Reference Interval

Consult pathologist

Application

Diagnosis and monitoring of amyloid, non-secretory myeloma and light chain myeloma.

Interpretation

An excess of kappa over lambda or lambda over kappa light chains is consistent with a plasma cell dyscrasia.

Also see Bence Jones protein - urine.

Reference

Bradwell, D. et al. Lancet 2003 36(4); 89 - 91