TRICARE Rate Variables and Cost-Share Per Diems

Changes to TRICARE Rate Variables

  CY 2025  CY 2024  CY 2023 
Children's Cost to Charge Ratio 0.2511 0.2690 0.2737
Cost to Charge Ratio for all Other Hospitals 0.2348 0.2512 0.2540
Fixed Loss Cost Outlier Threshold $43,171 $39,928 $36,486
Indirect Medical Education Adjustment Factor Multiplier 1.02  1.02  1.02
National Operating Standard Cost as a Share of Total Costs 0.935 0.934 0.928
Children’s Hospital and Neonatal Outlier Adjustment Factor 1.28 1.20 1.13