There are a variety of sources that provide medical billing and coding salary information. The most reliable sources for medical coding salary information include:

The U.S. Bureau of Labor Statistics. The Bureau of Labor Statistics is part of the U.S. Department of Labor. This reporting agency states that Medical Records and Health Information Technicians (the category that includes medical coders as well as a number of other clerical positions) earn an average of $32,350 a year.

The American Academy of Professional Coders. One of the two largest medical coding and billing industry associations in the country, the AAPC publishes an annual salary survey. The AAPC 2011 Medical Coding Salary Survey reported that the average medical coding salary for coders who hold the CPC certification was $46,800 in 2011.

The American Health Information Management Association. As the largest industry association in the medical coding and billing space, AHIMA also publishes a great deal of salary and wage information. Their AHIMA 2010 Salary Study breaks down salary information by certification. Coders who hold the Certified Coding Associate (CCA) certification (an entry-level certification) earn $40,196 a year on average.

Your medical coding salary will be determined by your level of formal training, certification, and experience. Be sure to check out the articles on finding the best medical coding training and medical coding certifications to make sure you maximizing your earning potential.