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 2023 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 2024.
Submission Files
- Final Commercial MY2023
- Final LTSS MY2023
- Final Medicaid MY2023
- Final Medicare MY2023
- Final Exchange MY2023
Schema Files
- Final Commercial MY2023
- Final LTSS MY2023
- Final Medicaid MY2023
- Final Medicare MY2023
- Final Exchange MY2023
Data Dictionary
- Final Commercial MY2023
- Final LTSS MY2023
- Final Medicaid MY2023
- Final Medicare MY2023
- Final HEDIS Indicator MY2023
- Final HEDIS Measure MY2023 v2
- Final HEDIS Supporting Document MY2023
- Final Exchange MY2023
Crosswalks
- Final Commercial Crosswalk MY2023
- Final Medicaid Crosswalk MY2023
- Final Medicare Crosswalk MY2023
- Final Validation Crosswalk MY2023
- Final Indicator Crosswalk MY2023
- Final Measure Crosswalk MY2023 v2
- Final Calculation Specifications Crosswalk MY2023
- Final Exchange Crosswalk MY2023