By Turna Ray
This article has been updated to clarify comments made by Scientia Advisors' Patrick Terry.
BETHESDA, Md. — As far as XDx is concerned, it has jumped through all the right hoops to show the clinical utility of its AlloMap genomic heart transplant rejection test. But according to a company official, it hasn't seen the level of adoption it expected for the test because doctors don't have a monetary incentive to use it in place of cardiac biopsies.