What sunk the carrier here was taking the deposition of the claimant’s <a href="https://thelomad.com/getmad.today/wp-contentduplicate-3602675.findlaw5.flsitebuilder.com/blog/2014/11/non-acute-pain-medical-treatment-guidelines-offer-a-framework-for-controlling-costs-associated-with-chronic-pain-management-especially-opioid-use/">pain management</a> doctor, who didn’t even file a C-4.3, and opined a total disability on deposition