Elixhauser Comorbidity Software Refined for ICD-10-CM v2026.1: Fiscal Year 2026, Released November 2025 - valid for ICD-10-CM diagnosis codes through September 2026
Elixhauser Comorbidity Software Refined Tool, v2026.1 (ZIP file, 1.94 MB) released 11/19/25
https://hcup-us.ahrq.gov/toolssoftware/comorbidityicd10/comorbidity_icd10.jsp (accessed 18 December 2025)