2021 ICD-10-PCS Code Books for Hospitals

ICD-10-PCS stands for International Classification of Diseases 10th Revision Procedure Coding System.

These revised codes have replaced ICD-9-CM Volume 3. ICD-10-PCS contains additional inpatient procedure codes that hospitals must use for reimbursement.

This procedure code set includes the following proposed ICD-10-PCS 2021 changes:

There are 544 new codes
Several changes to Device and Substance Keys appendices
Revisions to guidelines for 2021
There is no GEMs file this year per (80 FR 49388)

CMS Deadlines: CMS no longer allows a 90-day grace period for using discontinued codes, so get your books early and stay up-to-date! You must use valid ICD-10-PCS codes for services performed on or after October 1, 2020.