Pathology tests database

Sample and container requirements

Serum

Minimum volume required

4 ml Blood

Special requirements

None

Patient preparation

None

Sample viability

Stored at 4oC

Turnaround time

5 days

Reference range

Reference Ranges updated 10/10/2024 Age <70 yrs Serum free kappa light chain 6.3- 39.0 mg/L Serum free lambda light chain 5.9- 36.7 mg/L Free kappa: Free lambda ratio = 0.44 - 2.16 Age >=70 yrs Serum free kappa light chain 7.0- 55.8 mg/L Serum free lambda light chain 6.4- 48.0 mg/L Free kappa: Free lambda ratio = 0.46 - 2.59

Clinical guidance

Used in diagnosis and monitoring of Multiple Myeloma, and Monoclonal gammopathy of Undetermined significance

Notes