Free Light Chains
General Information
- Lab Name
- Free Light Chains
- Lab Code
- FLC
- Epic Ordering
- Free Light Chains
- Description
- Synonyms
- Gammopathy, Kappa free light chain, Kappa/Lambda Free Light Chain Ratio, Kappa/Lambda ratio, Lambda free light chain, MGUS, Multiple myeloma, Myeloma, Serum free light chain
- Components
-
Code Name KFLC Kappa Free Light Chain LFLC Lambda Free Light Chain KLR Kappa/Lambda FLC Ratio
Interpretation
- Method
Binding Site immunoassay performed on Optilite turbidometer. Patient results determined by assays using different manufacturers or methods may not be comparable.
- Reference Range
- See individual components
- Guidelines
Ordering & Collection
- Specimen Type
- Serum
- Collection
-
3 mL blood in RED TOP or SST tube
- Handling Instructions
- Quantity
-
requested: 1 mL serum
minimum: 0.5 mL serum
Processing
- Processing
Refrigerate serum
Stability: Refrigerate up to 21 days, freeze for longer storage. Avoid repeated freeze/thaw cycles
Performance
- LIS Dept Code
- Immunology (IMM)
- Performing Location(s)
-
UW-MT Immunology
206-520-4600Clinical Lab, Room NW220,
University of Washington Medical Center,
1959 NE Pacific street, Seattle, WA 98195 - Frequency
- Monday-Friday
- Available STAT?
- No
Billing & Coding
- CPT codes
- 83521x2
- LOINC
- 44793-8
- Interfaced Order Code
- UOW1588