Two quick links.
Dark Daily publishes another article in its ongoing series about the weak negotiating position and poor financials for out of network laboratories. December 21 article here, with multiple links to their previous articles on this topic (when balance billing becomes the entire balance.)
Mick Raich, of Vachette Business Services and Stark Medical Auditing, notes that at Medicare MACs, special stains are increasingly under fire as more MACs adopt a stiffly written LCD originated by the Palmetto MolDX program. Raich's December 22 essay here.