Developed by the American Academy of Orthopaedic Surgery, this app is a light version of the Code X software already available to members who pay for a subscription. Anyone with a Code X subscription can request a loginname/password for its use. Strengths of the app include the ability to search by body site or keyword, as well as the ability to save favorites and email a list of codes. However, the app could benefit from a better search function, integration between ICD-9 and CPT codes, and an improved user interface.
Cost: Free for the app, but requires subscription to AAOS Code X ($535-699)
Read more... http://toporthoapps.com/2011/09/24/aaos-code-x-lite/