The ICD-10-PCS Expert, is our spiral bound version with the complete ICD-10-PCS code set, updated for the 2026 edition, with all the supplementary appendixes required for reporting inpatient procedures. In addition, you will find the familiar Optum coding and reimbursement alerts you have come to rely upon, including the Medicare Code Edits (MCE) for the ICD-10 MS-DRG reimbursement system.