The US Department of Labor, Bureau of Labor Statistics includes medical coders and billers in a group called Medical Records and Health Information Technicians. According to their 2014-15 Occupational Handbook, The median annual wage of medical records and health information technicians was $34,16 in May 2012. The lowest 10% earned less than $22,250, and the top 10% earned more than $56,200.
The American Academy of Professional Coders (AAPC) performs an annual Medical Coder Salary Survey. According to their 2014 salary survey, the average salary in 2014 for a Certified Professional Coder (CPC) was approximately $50,775, which is an 8.4% increase from 2013.
The American Health Information Management Association (AHIMA), another large medical coding association, also conducted a salary survey. According to their most recent survey results, the overall average annual salary of survey respondents was $65,963 in 2012.