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Laboratory Medicine

Test catalogue

Anti-Intrinsic Factor

Test Name

Anti-Intrinsic Factor (Anti-Intrinsic Factor, Type 1 Blocking Antibodies, Type 2 Binding Antibodies)

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top

Minimum Volume = 3 mL Serum

Tubes must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in gold or red top with or without gel separator. No Vitamin B12 injections within the last 24 hours Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions / Rejection Criteria: Spin and separate from cells within 2 hours of collection. Store and send frozen. This assay measures Type 1 (Blocking) and Type 2 (Binding) Intrinsic Factor Antibodies.

Plasma, Gross hemolysis, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Stability: Stable at room temperature for 8 hours, refrigerated for 48 Hrs and frozen at -20C or colder for 2 Months. Thaw samples only once.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

30 Days

Test Utilization

Routine > 30 Days

Reference Value


Test code




Testing Location

Referred Out – ON, Canada (ROGDL10)

Other Information

Last Updated: November 27, 2019