CPT Code: 86334
Order Code: 549
ABN Requirement: No
Specimen: Serum
Volume: 1.0 mL
Minimum Volume: 0.5 mL
Container: Gel-barrier tube (SST)
Collection:
- Collect and label sample according to standard protocols.
- Gently invert tube 5 times immediately after draw. Do not shake.
- Allow blood to clot 30 minutes.
- Centrifuge for 10 minutes.
Fasting: Overnight fasting is preferred
Transport: Store serum at 2°C to 8°C after collection and ship the same day per packaging instructions included with the provided shipping box.
Stability:
Ambient (15-25°C): 4 days
Refrigerated (2-8°C): 7 days
Frozen (-20°C): 30 days
Causes for Rejection: Specimens other than serum; improper labeling; samples not stored properly; samples older than stability limits
Methodology: Immunofixation
Turn Around Time: 2 to 3 days
Reference Range: See Laboratory Report
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 Waldenstrom’s macroglobulinemia.
The CPT codes provided 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 payer being billed.