ICD-10-PCS replaces:
C. Volume 3 of the ICD-9.
Explanation:
1. ICD-10-PCS (International Classification of Diseases, Tenth Revision, Procedure Coding System) replaces Volume 3 of the ICD-9.
2. ICD-10-PCS is used for procedure coding, while ICD-9 Volume 3 contained procedure codes.
3. The transition from ICD-9 to ICD-10 involved significant changes in coding structure and specificity, with ICD-10 providing more detailed procedure codes compared to ICD-9 Volume 3.
