A patient changed their insurance during the later part of their pregnancy. We could only bill the new insurance for 2 E/M visits plus the Delivery and postpartum. For the 2 E/M visits, I tried to bill 99214, but the insurance downcoded to 99213. The pregnancy was normal and uncomplicated. Am I able to appeal for a 99214 with the argument that more care is required after 32 weeks gestation? Is there an article or guideline that can back this?