Published on April 08, 2015

Monoclonal Gammopathy Workup, Serum

Tube Type

Includes: IgG, IgM, IgA and Total Protein quantitation, Serum Protein Electrophoresis and Interpretation, Immunofixation Electrophoresis and Interpretation, Serum Free Light Chains.
Test ID LAB5356
CPT Code(s) 84165, 82784 X3, 86334, 84155
Group/Individual Test Group
Laboratory Performed by: Special Chemistry Laboratory
Tube Station 30
Specimen Routine: 5 mL whole blood/royal blue / serum separator/gold top blood collection tubes; see important comments
Micro: 2.5 mL blood/serum separator tube/gold top or red top microcollection device

Room Temperature: 4 hrs

Off Site Collections:
Centrifuge sample; aliquot serum (minimum volume= 500µl) & refrigerate within 4 hours of collection
Frozen: -18-30 °C, 14 days
Refrigerated: 7 Days
Ambient: Not acceptable
Availability Routine: Monday-Friday, no weekends/holidays; Not available STAT
Turnaround Time 3 Days
Reference Range Normal:
Interpretation provided on report; call (984)974-2361 for questions regarding interpretation.

Methodology: Capillary Electrophoresis or Gel Electrophoresis

Samples must be received in Core Laboratory by 6:00 AM for same day testing.
Multiple test requests with same sample type will require additional volumes for testing.
Pediatric microcollection devices available from Phlebotomy Services

Reviewed by Christopher Parker on May 19, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514