Immunofixation, Serum

Message

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

SIFE

Alias/See Also

549;
IEP (serum);
IFE (serum);
Immunoelectrophoresis;
IPEP (serum);
SIFE;

CPT Codes
86334

Preferred Specimen

serum

Minimum Volume

1 mL

Instructions

Avoid hemolysis. Invert a minimum of 5 times then allow to clot in an upright position for 30 minuties. Centrifuge the SST for at least 10 minutes. Keep tightly stoppered.

Transport Container

Original tube preferred, may be sent in a screw-top transfer tube.

Transport Temperature

Refrigerated

Specimen Stability

Room Temperature = n/a
Refrigerated = 1 week
Frozen = 4 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.

Methodology
electrophoresis

Setup Schedule

Monday - Friday
CH

Report Available

2 - 3 days

Clinical Significance

Monoclonal increases in IgG or IgA are often associated with diseases such as multiple myeloma, lymphomas or leukemia. A monoclonal increase in IgM is commonly associated with Waldenström's macroglobulinemia.

Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439

Last Updated: November 22, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.