Answer:
The purpose: (ICD-10), which was implemented for mortality coding and classification from death certificates in the U.S. It is used or medical diagnoses based on WHO's ICD-10 and the ICD-10-CM replaced ICD-9-CM.
Transitioning: ICD-9-CM was used since 1979 (which needed a change) and it was no long clinically accurate, it limited data about patients' medical conditions and hospital inpatient procedures, number of available codes limited, coding structure was restrictive.
Code set differences
- ICD-9-CM codes are very different than ICD-10-CM/PCS code sets:
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There are nearly 19 times as many procedure codes in ICD-10-PCS than in ICD-9-CM volume 3
- There are nearly 5 times as many diagnosis codes in ICD-10-CM than in ICD-9-CM
- ICD-10 has alphanumeric categories instead of numeric ones
- The order of some chapters have changed, some titles have been renamed, and conditions have been grouped differently
Explanation:
