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Free Light Chains

eDH Procedure Code(s)

LAB3993 Free Light Chains, Serum

Test Information

Determination of kappa and lambda free light chains in serum.

Specimen Information

Specimen Type Specimen Source Acceptable Containers Minimum Test Volume (mL)
Blood Blood, Venous Gold-R 1.0

Shipping and Handling

Processing Instructions: N/A

Transport Temperature: Refrigerated
Transport Instructions: N/A

Specimen Stability Unprocessed
Unprocessed: 7 days
Specimen Stability Post Processing
Ambient: 7 days
Refrigerate: 21 days
Frozen: 6 months

Test Components

Component LOINC Code
KAPPA FREE LIGHT CHAIN 36916-5
KAPPA/LAMBDA FLC RATIO 48378-4
LAMBDA FREE LIGHT CHAIN 33944-0

Turnaround Time (TAT)

72 Hours

CPT Code(s)

83521
83521

Performing Lab Section

Special Chemistry

Performing Lab(s)

Dartmouth Hitchcock Medical Center Laboratory (MHMH)