ICD-10-CM far exceeds ICD-9-CM in the number of codes provided, having been expanded to

Advantages of ICD-10-CM over ICD-9-CM is explained below.

Explanation:

The granularity of ICD-10-CM and ICD-10-PCS is vastly improved over ICD-9-CM and will enable greater specificity in identifying health conditions. It also provides better data for measuring and tracking health care utilization and the quality of patient care.ICD-9 codes have limited data about the patient's medical conditions and hospital inpatient procedures. ICD-9 codes use outdated and obsolete terms and are not consistent with current medical practices.The final rule for the Health Insurance Portability and Accountability Act (HIPAA) Administrative Simplification to Medical Data Code Set Standards to adopt ICD-10-CM was published on January 16, 2009. ... Physicians created the ICD-10-CM terminology, whereas ICD-9-CM used the coding terminology.ICD-10 emphasis on modern technology devices being used for various procedures, while ICD-9 codes are unable to reflect the use of modern day equipment. Hence, the basic structural difference is that ICD-9 is a 3-5 character numeric code while the ICD-10 is a 3-7 character alphanumeric code.International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) provided by the Centers for Medicare and Medicaid Services (CMS) and the National Center for Health Statistics (NCHS), for medical coding and reporting in the United States.ICD-9 stands for International Classification of Disease, Ninth Revision. Coding is a universal or standard system used for the purpose of identifying diseases. These codes have three, four or five digits

Dialect is probably part of the answer