AAPC 2015 Salary Survey workplace size bigger workforces Salary surveys conducted by AAPC AAPC 2015 Salary Survey average salary AAPC 2015 Salary Survey Credentials tip the scale average salary AAPC Salary Survey workplace size salary increases dramatically with additional certifications AAPC Salary Survey bigger workforces Medical Coder Salary Survey an average salary Source AAPC’s 2015 salary survey AAPC 2015 Salary Survey