IMFREE
Immunoglobulin Free Light Chains
EPIC Test Procedure Code: LAB3437
Synonyms:
Kappa/Lambda Free Light Chains
Free Kappa+Lambda Light Chains Serum
Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Red top or serum gel tube
Specimen Type:
Serum
Preferred Volume:
0.5 mL
Minimum Volume:
0.2 mL
Specimen Processing:
Separate the serum immediately after coagulation (30 minutes) to prevent hemolysis.
Store and Transport:
Refrigerate
Stability:
Refrigerated - 4 days
Frozen - 6 months
Unacceptable Condition:
Specimens that are more than slightly hemolyzed, lipemic, microbially contaminated or contain particulate matter
will be rejected.
CPT Codes:
83521x2 - Immunoglobulin Light Chains Kappa Lambda Each (EAP 30040412)
Method:
Nephelometric
Reference Ranges:
kappa free light chain
8.24 - 28.90
mg/L
lambda free light chain
9.10 - 32.60
mg/L
ratio
0.53 - 1.51