Free Light Chains

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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

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
206-520-4600

Clinical 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