Each HEDIS season, a compilation of IDSS file updates are posted for Health plans submitting HEDIS data to NCQA. These files are referenced by health plans and HEDIS certified vendors and auditors to utilize during the IDSS process.
Below are the Final HEDIS MY 2024 IDSS files. Changes to the files compared to the previous year can be found in the crosswalk section. More information on measure specific changes can be found in the HEDIS Volume 2 Technical specification. The IDSS system will be available in March 2025.
Submission Files
- Final Commercial 2024
- Final LTSS MY2024
- Final Medicaid MY2024
- Final Medicare MY2024
- Final Exchange MY2024
Schemas
- Final Commercial 2024
- Final LTSS MY2024
- Final Medicaid MY2024
- Final Medicare MY2024
- Final Exchange MY2024
Data Dictionary
- Final Commercial MY2024
- Final LTSS MY2024
- Final Medicaid MY2024
- Final Medicare MY2024
- Final HEDIS Indicator MY2024
- Final HEDIS Measure MY2024
- Final HEDIS Supporting Document MY2024
- Final Exchange MY2024
Crosswalks
- Final Commercial Crosswalk MY2024
- Final Medicaid Crosswalk MY2024
- Final Medicare Crosswalk MY2024
- Final Validation Crosswalk MY2024
- Final Indicator Crosswalk MY2024
- Final Measure Crosswalk MY2024
- Final Calculation Specifications Crosswalk MY2024
- Final Exchange Crosswalk MY2024