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ICD-10 Diagnosis Code Set

ICD-10 in Effect

The ICD-10 (International Classification of Diseases, Revision 10) is in effect as of Oct.1. The American Medical Association is focusing on steps to ease the transition and mitigate potential disruption in claims processing, physicians’ workflow and patients’ access to care. 

How to Report Issues With ICD-10 Medicare Claims

Steps you can take to address the issues you are having.

  • If the payer is Medicare, check your Medicare Administrative Contractor (MAC) website for information on problems they are addressing and for a method of contact for ICD-10 issues.
  • If the payer is Medicaid, check the state Medicaid website for information and method of contact.
  • If the payer is a commercial payer, check their website for information and method of contact.
  • If you are having issues with your practice management system or electronic health record (EHR), contact your vendor.
  • If you are having issues with your billing vendor or clearinghouse, contact them.
  • For advice on handling problems and to find out if other practices are experiencing similar issues, contact your state or specialty medical society.

CMS and AMA Flexibility for ICD-10 Medicare Claims

On July 6, with less than three months remaining until the Oct. 1 deadline, CMS and the AMA announced efforts to continue to help physicians prepare for ICD-10. Read CMS’s guidance in response to the AMA’s concerns, as well as a set of questions and answers.

ICD-10 Educational Resources and Implementation Tools

These educational resources and implementation planning tools will increase your understanding of ICD-10 and help you prepare for its transition.

News and Updates on ICD-10

AMA Wire has the latest articles and viewpoints and a special ICD-10 series focused on timely tips and information to help physicians prepare for the Oct. 1 deadline. Also, read the latest press release on the code set.


The updated Frequently Asked Questions page summarizes the differences between ICD-10 and ICD-9, details who needs to upgrade to ICD-10 and recommends steps that you can take to prepare for the conversion to the new system.

Medicare Payment

Medicare continues to update the National Coverage Determinations (NCD) and Local Coverage Determinations (LCD). Learn more about ICD-10 payment.

AMA’s Efforts to Ease ICD-10 Transition

The AMA has advocated for physicians during the transition to ICD-10 by voicing physicians’ concerns to powerful stakeholders and policymakers. Read the most recent advocacy letters, calls, responses and testimonies that best represent the AMA’s concerns about ICD-10 and illustrate its commitment to removing barriers to a satisfying and sustainable practice.

AMA ICD-10 Products

The AMA Store offers for-sale training materials and other resources to help you understand and implement the new codes. Choose from among the following or view all of our ICD-10 offerings: