Inpatient Only Cpt Codes 2024. These addenda are a snapshot of hcpcs codes and their status indicators, apc groups, and opps. Updates of addendum a and b are posted quarterly to the opps website.

As previously reported in coding clinic for hcpcs fourth quarter 2021, the centers for medicare and medicaid services (cms) reversed its decision to eliminate the inpatient. These codes can only be reported by a provider who performs both the initial and discharge services on a single day and when the patient stay exceeds 8 hours.