The codes are standardized but the interpretation by insurance companies isn't so clear. For the coding look at http://www.medicalbillingandcoding.org/qnas/what

The codes are standardized but the interpretation by insurance companies isn't so clear. For the coding look at http://www.medicalbillingandcoding.org/qnas/what-are-the-different-types-of-medical-coding-classification-systems/ http://www.medicalbillingandcoding.org/qnas/what-are-the-dif...