Inpatient and Outpatient Orderable

Serum Free Light Chains (Kappa and Lambda) with Ratio

Synonyms

FLC
FREE LIGHT CHAINS, SERUM
IMMUNOGLOBULIN FREE LT CHAINS BLOOD
LAB735

Cerner Name

Immunoglobulin Free Light Chains

Clinical Info

Serum free light chains (kappa and lambda) with ratio

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold-top tube(s) or plain, red-top tube(s)
Specimen: 1 mL (minimum volume: 0.5 mL) of serum
Transport Temperature: Refrigerate

Specimen Volume

1 mL (minimum volume: 0.5 mL) of serum

Transport Instructions

Refrigerate

Specimen Stability

Methodology

Turbidimetric

Days Performed

Monday through Sunday

Performing Laboratory

Northwell Health Laboratories

CPT

83521 x 2

PDM

5912700

Only Orderable at Locations:

Orderable Everywhere

Results

Component Name	Base Name	Common Name	External Name
IMMUNOGLOB KAPPA FLC	IFEKAPPA	IFE KAPPA	Kappa Free Light Chain, Serum
IMMUNOGLOB LAMBDA FLC	IFELAMBDA	IFE LAMBDA	Lambda Free Light Chain, Serum
KAPPA LAMBDA FLC RATIO	LIGHTCHAIN	LIGHT CHAIN RATIO	Kappa/Lambda Free Light Chain Ratio

Result Interpretation

KAPPA-FREE LIGHT CHAIN
0.33-1.94 mg/dL
LAMBDA-FREE LIGHT CHAIN
0.57-2.63 mg/dL
KAPPA/LAMBDA FLC RATIO
0.26-1.65

Forms

LAB735

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