AMA CPT® Assistant - 2017 Issue 8 (August)
Pathology and Laboratory: Molecular Pathology (Q&A) (August 2017)
August 2017 page 10 Pathology and Laboratory: Molecular Pathology Question: A patient had a thromboembolic event and was placed on a newer oral anticoagulant (eg, dabigatran, rivaroxaban). The physician wishes to evaluate the patient for venous thrombophilia risk factors. The new oral anticoagulants interfere with these assays and may cause false positive results. Therefore, an "in vitro" neutralization method is used to eliminate interference to obtain accurate thrombophilia assessments so that the patient does not need to discontinue treatment. Is it appropriate to report code 85525, Heparin neutralization, for assays that eliminate interference from other anticoagulants, as this is...
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