CMS is not requiring the ordering provider to rewrite the original order with the appropriate ICD-10 code for lab, radiology services, or any other services after ICD-10 implementation on October 1, 2015, including Durable Medical Equipment, Prosthetics, Orthotics, and Supplies (DMEPOS).
A  cost-of-living index is a theoretical price index that measures relative cost of living over time or regions. It is an index that measures differences in the price of goods and services, and allows for substitutions with other items as prices vary.
Definition of consumer price index. : an index measuring the change in the cost of typical wage-earner purchases of goods and services expressed as a percentage of the cost of these same goods and services in some base period âcalled also cost-of-living index.