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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.
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.