What is ICD-10-CM and Why Are We Changing?
ICD-10-CM is the much anticipated diagnosis code revision to ICD-9-CM. ICD-10 has been in place throughout most of the world for morbidity and mortality statistics since 1994. It has been a requirement for reporting mortality in the United States since 1999. ICD-10-CM contains approximately 68,000 codes. Numerous studies have indicated that it will take about six months for medical coders and healthcare providers develop a level of proficiency with the system. This highlights the need for advanced training to make sure that the transition goes smooth. Some of the differences between the two systems are ICD-9 diagnosis codes consist of 3-5 numeric characters representing illnesses and conditions; alpha-numeric E codes describing external causes of injuries, poisonings, and adverse effects; and V codes describe factors influencing health status and contact with health services. ICD-10-CM diagnosis codes consist of 3-7 characters; first character is alpha; characters 2-7 are alpha or nume
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