Analytic Time

3 days

Soft Order Code
SO

Test Updated:

Synonyms
 
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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
 
Test Usage

Simultaneously measure and monitor serum Infliximab (IFX) and antibodies to Infliximab (ATI) concentrations to clarify factors that may be contributing to a patient's loss of response and help guide treatment decisions.

Reference Range

Serum Infliximab (IFX): <1 mcg/mL; Antibody to Infliximab (ATI): <3.1 U/mL.

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

Specimen Requirements

Collection Offsite

Collect specimen in a red top or SST tube. Centrifuge and aliquot serum into a plastic vial. Store and transport refrigerated or at room temperature within 5 days of collection.

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

Billing Information

CPT Code
84999
Pro Fee Code
 
LOINC
 

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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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