HAC Penalty Risk Auditor
FY2026 · structural fragility of Total HAC Scores
Hospital audit
WILLIAMSON MEDICAL CENTER
TN · Facility ID 440029 · FY2026
Total HAC Score
-0.0100
Percentile
52.1th
Displayed status
No reductionFrom CMS Payment Reduction column (file).
Score vs threshold (0.3792)
Hospital score -0.0100. Penalty threshold 0.3792. Distribution of 2929 scored hospitals.
Data completeness
Reported on 6 of 6. Missing measures show N/A with the CMS footnote; footnote 18 values are imputed worst-case, not measured performance.
- PSI-90z -0.437
- CLABSIz 2.240
- CAUTIz 0.858
- SSIz -1.148
- CDIz -0.816
- MRSAz -0.757
Fragility
Each reported measure moves the score by 0.1667 points.
| Measure | Current Z | Score @ floor | Score @ cap | Abs swing |
|---|---|---|---|---|
| PSI-90controls fate | -0.4373 | -0.1843 | 0.4814 | 0.6657 |
| CAUTI | 0.8581 | -0.3727 | 0.2448 | 0.6175 |
| MRSA | -0.7571 | -0.1266 | 0.4871 | 0.6137 |
| CDI | -0.8155 | -0.1177 | 0.4915 | 0.6092 |
| CLABSI | 2.2402 | -0.6177 | -0.0099 | 0.6078 |
| SSI | -1.1481 | -0.0613 | 0.5433 | 0.6047 |
Swing is a mechanics illustration: replace one reported Z with that measure’s observed floor or cap while holding others fixed. Ranked by absolute swing.
Peer context
Percentile within TN (73 scored): 58.2th
Hospital score -0.0100. Penalty threshold 0.3792. Distribution of 73 scored hospitals.
Percentile among hospitals with 6 reported measures (1940 scored): 50.2th
Hospital score -0.0100. Penalty threshold 0.3792. Distribution of 1940 scored hospitals.
Plain-language verdict
As scored, the CMS file lists no payment reduction (Total HAC Score -0.0100; threshold 0.3792).
Reported on 6 of 6 measures; each reported measure moves the equal-weighted score by 0.1667 points.
Describes scoring mechanics only. Not medical or legal advice. Any “would / would not” language is an illustration against the published threshold, not a CMS prediction.