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Yo Antibody Western Blot, Reflex

Message
Patient Preparation: Overnight fasting is preferredCollect a full tube, following standard venipuncture techniques.


Test Code
LAB3411 YOWB1


Alias/See Also
YOWB1


CPT Codes
84181

Includes
If the Yo Ab, IFA, Serum, result is positive, then Yo Ab, Western Blot, Serum, will be performed at an additional charge (CPT: 84181).@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@


Instructions
Minimum Testing Volume: 0.6 mL Transport Temperature: Ambient Stability: Ambient: 7 daysRefrigerated : 14 daysFrozen: 21 days


Report Available
5-Days


Clinical Significance
1230170742



Last Updated: May 18, 2026


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.