A Davidson mom says her short ER visit after an allergic reaction turned into a $6,700 lesson in how hospital codes can drive up costs for North Carolinians By Andrew Jones | KFF Health News Apr 28, 2026 Silvana Toska was playing in a grass field with her daughters late last fall when she felt a sting on her ankle. The family had come to listen for barred and great horned owls as the sun set on a large park near their Davidson, North Carolina, h…