ICD-10 MS-DRGs Version 43.1: What Hospitals Must Prepare for Ahead of the April 2026 Update

Author : Bristol Connor | Published On : 08 Jul 2026

ICD-10 MS-DRGs Version 43.1 introduces 80 new inpatient procedure codes—and the ripple effects go far beyond coding. Discover how the April 2026 update impacts MS-DRG assignment, reimbursement accuracy, and compliance, and what hospitals must do now to stay ahead.

 The April 2026 ICD-10 update marks more than a routine mid-year refresh—it signals a meaningful shift in how inpatient procedures are classified, grouped, and reimbursed under Medicare Severity Diagnosis-Related Groups (MS-DRGs). With 80 new ICD-10-PCS procedure codes becoming effective April 1, 2026—on top of the 156 codes already implemented on October 1—hospital coding teams face growing complexity that directly impacts MS-DRG assignment, case mix index (CMI), and compliance risk. Read More…
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