I got a bill from a lab last year that was for about $1200, and when insurance denied it as out-of-network (it wasn't, the lab and the insurance company had som

I got a bill from a lab last year that was for about $1200, and when insurance denied it as out-of-network (it wasn't, the lab and the insurance company had some billing procedure issues) it was less than $100 somehow. Out of stubbornness, I fought with the lab for months to bill it correctly, and eventually got them to write it off by emailing the CEO.