The costs to medical practices for implementing the International Classification of Diseases-10th Revision (ICD-10) coding system have been grossly underestimated, according to a recent study by Nachimson Advisors for the American Medical Association (AMA).

The association is calling for a delay in the October 1, 2014, ICD-10 go-live date in order to give practices more time to prepare for the financial and administrative requirements.