Describe the background and rationale for the development of ICD-10-PCS. Include in your post the characteristics of an ICD-10-PCS code and explain how each of those characteristics are used when building an ICD-10-PCS code for a procedure.

Describe the background and rationale for the development of ICD-10-PCS. Include in your post the characteristics of an ICD-10-PCS code and explain how each of those characteristics are used when building an ICD-10-PCS code for a procedure. Make sure that you list the steps required for code building and why these steps are necessary.