Last Modified: 9/12/2011
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International Classification of Diseases, 10th Revision (ICD-10) FAQs
Q: What is ICD-10?
A: The ICD-10 is a diagnostic coding system implemented by the World Health Organization (WHO) in 1993 to replace the International Classification of Diseases, 9th Revision (ICD-9), which was developed by WHO in the 1970s. ICD-10 is in almost every country in the world, except the United States.
In the United States, “ICD-10” usually refers to the U.S. clinical modification of ICD-10: ICD-10-CM. This code set is scheduled to replace ICD-9-CM, our current U.S. diagnostic code set, on Oct. 1, 2013.
Another designation, ICD-10-PCS, for “procedural coding system,” will also be adopted in the United States. ICD-10-PCS will replace Volume 3 of ICD-9-CM as the inpatient procedural coding system. Current plans would see CPT remain the coding system for physician services.
More information on WHO’s ICD-10 code set can be found at http://www.who.int/classifications/icd/en/
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Source: American Academy of Professional Coders - http://www.aapc.com/ICD-10/faq.aspx#whatIsIt 