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Intrinsic Factor Blocking Antibody

Message
Samples should not be collected from a patient who has received vitamin B12 injection therapy within the past week. Collect a full tube, following standard venipuncture techniques.


Test Code
LAB857 IFBA


Alias/See Also
IFBA


CPT Codes
86340

Includes
Samples should not be collected from a patient who has received vitamin B12 injection therapy within the past week.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@


Instructions
Minimum Testing Volume: 0.3 mL Serum Transport Temperature: Ambient Stability: Ambient: 7 DaysRefrigerated : 7 DaysFrozen: 28 Days


Report Available
4-Days


Clinical Significance
1230170895



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.