HAC Penalty Risk Auditor
FY2026 · structural fragility of Total HAC Scores
Hospital audit
TRISTAR SUMMIT MEDICAL CENTER
TN · Facility ID 440150 · FY2026
Total HAC Score
-0.4757
Percentile
21.7th
Displayed status
No reductionFrom CMS Payment Reduction column (file).
Score vs threshold (0.3792)
Hospital score -0.4757. 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 -0.320
- CLABSIz -1.096
- CAUTIz -1.319
- SSIz 1.032
- CDIz -0.719
- MRSAz -0.433
Fragility
Each reported measure moves the score by 0.1667 points.
| Measure | Current Z | Score @ floor | Score @ cap | Abs swing |
|---|---|---|---|---|
| PSI-90controls fate | -0.3203 | -0.6695 | -0.0037 | 0.6657 |
| CAUTI | -1.3186 | -0.4756 | 0.1418 | 0.6175 |
| MRSA | -0.4332 | -0.6463 | -0.0326 | 0.6137 |
| CDI | -0.7187 | -0.5996 | 0.0097 | 0.6092 |
| CLABSI | -1.0956 | -0.5275 | 0.0803 | 0.6078 |
| SSI | 1.0325 | -0.8905 | -0.2858 | 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): 26.7th
Hospital score -0.4757. Penalty threshold 0.3792. Distribution of 73 scored hospitals.
Percentile among hospitals with 6 reported measures (1940 scored): 16.3th
Hospital score -0.4757. Penalty threshold 0.3792. Distribution of 1940 scored hospitals.
Plain-language verdict
As scored, the CMS file lists no payment reduction (Total HAC Score -0.4757; 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.