Both of these styles are using E-Codes and V-codes for coding. V-Codes are used to classify the factors that are brought on by the health status and that contact with the all the health services. Also you have the E-Codes describes the external causes for injury’s. Also both of these coding styles use a decimal after three characters.
In the ICD-10-CM codes there are seven different characters and it uses a combination of letters of the alphabet with the exception of the letter U. On the other hand the ICD-9-CM only contains five characters. With the new ICD-10-CM pretends to the high level of detail, in organization and detailed description of the codes. Which in the ICD-9-CM style it has less of detailed in organization and