Days Set Up
Monday - Friday
Analytic Time

2 - 5 days

MiChart Code
Intrinsic Factor Blocking Antibody
Soft Order Code
IFBA

Test Updated:

Synonyms

INTRINSIC FACTOR BLOCKING AB
IFB AB
IFBA TEXT
IFBA COMMENTS

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

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Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Competitive Binding Immunoenzymatic Assay

Test Usage

Positive in 50% of persons with pernicious anemia.

Reference Range

Negative (reported as positive, negative, or indeterminate).

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Instructions

Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate (preferred) or freeze.

Yellow Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum

Billing Information

CPT Code
86340
Pro Fee Code
 
Insurance Auth Info
 
LOINC
31444-3

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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