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568: Intrinsic Factor Blocking Antibody Print View
Intrinsic Factor Block Ab IA  ADULTS: NEGATIVE   

PRIMARY
1 Serum 1 (0.3) mL   Frozen - 28 Day(s)/Refrigerated - 7 Day(s)/Room Temperature - 7 Day(s)  
ALTERNATE

Intrinsic Factor, produced by cells lining the stomach, binds vitamin B12 (cyanocobalamin) to facilitate absorption of the vitamin. Blocking antibody impedes the action of Intrinsic Factor as observed in approximately half of the patients who develop pernicious anemia.

Samples should not be collected from a patient who has received
vitamin B12 injection therapy within the past week.
Setup Schedule
Sunday, Tuesday, Thursday

Reported (Analytical Time)
3 days

CPT Code
86340

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.

Notes
Transport Temperature: Room temperature Assay Category: FDA Approved/Cleared






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