The House Energy & Commerce Committee plans to hold a hearing in October on a revised regulatory proposal to govern laboratory developed tests floated by a working group of large reference laboratories and diagnostic manufacturers, stakeholder sources say. E&C has set a tentative date of Oct. 29 for the hearing, which will address an updated draft proposal from the Diagnostic Test Working Group (DTWG), members of which include Becton Dickinson, Roche, Mayo Clinic and ARUP Labs, sources told Inside Health...