Genetic testing coverage and reimbursement: a provider's dilemma.
The rapid growth of new molecular genetic tests stimulated by the diagnostic potential of DNA/RNA analyses has resulted in the capability of molecular genetic assay technology outpacing the American Medical Association Current Procedural Terminology (CPT) codes and Medicare reimbursement. The AMA CPT Editorial Panel is poised to change the way we report genetic testing, and this change may have the potential to stimulate a governmental review of how Medicare is paying for diagnostic genetic testing. Genetic assays are costly, and those in laboratory management need to be aware of potential changes that may influence the ability of their laboratory to provide access to genetic testing services for their physician clientele. The commercialization of genetic testing has resulted in a proliferation of commercial laboratories and university medical center laboratories, CLIA-certified to perform high complexity testing, offering some level of genetic testing. The genetic tests are offered as home brew (in-house developed) assays, most of which are using analyte-specific reagents. Because these are home brew assays, there is no standardization in how the industry tests for specific mutations. As these genetic assays are billed using the generic molecular diagnostic codes, 83890 through 83912, from the Pathology and Laboratory Chemistry subsection of the CPT, payers are not able to identify the specific mutations being tested and make payment determinations based on the mutations as they relate to the diagnosis code. This article discusses the history of molecular diagnostic coding and related reimbursement, current coverage issues, and the genetic coding proposal under consideration by the AMA CPT Editorial Panel.
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D014487:Centers for Medicare and Medicaid Services, U.S.; D039702:Current Procedural Terminology; D005245:Fee Schedules; D005820:Genetic Testing / Q000145:classification / Q000191:economics*; D006801:Humans; D007349:Insurance, Health, Reimbursement; D006278:Medicare; D025202:Molecular Diagnostic Techniques / Q000145:classification / Q000191:economics*; D014481:United States