HAC Penalty Risk Auditor
FY2026 · structural fragility of Total HAC Scores
Hospital audit
UCSF HEALTH ST. MARY'S HOSPITAL
CA · Facility ID 050457 · FY2026
Total HAC Score
-0.2017
Percentile
38.6th
Displayed status
No reductionFrom CMS Payment Reduction column (file).
Score vs threshold (0.3792)
Hospital score -0.2017. 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 -0.211
- CLABSIz -0.685
- CAUTIz -0.463
- SSIz 2.172
- CDIz -1.462
- MRSAz -0.561
Fragility
Each reported measure moves the score by 0.1667 points.
| Measure | Current Z | Score @ floor | Score @ cap | Abs swing |
|---|---|---|---|---|
| PSI-90controls fate | -0.2111 | -0.4138 | 0.2520 | 0.6658 |
| CAUTI | -0.4629 | -0.3443 | 0.2732 | 0.6175 |
| MRSA | -0.5607 | -0.3511 | 0.2626 | 0.6137 |
| CDI | -1.4622 | -0.2017 | 0.4075 | 0.6092 |
| CLABSI | -0.6850 | -0.3220 | 0.2858 | 0.6078 |
| SSI | 2.1717 | -0.8064 | -0.2017 | 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 CA (277 scored): 37.4th
Hospital score -0.2017. Penalty threshold 0.3792. Distribution of 277 scored hospitals.
Percentile among hospitals with 6 reported measures (1940 scored): 35.3th
Hospital score -0.2017. Penalty threshold 0.3792. Distribution of 1940 scored hospitals.
Plain-language verdict
As scored, the CMS file lists no payment reduction (Total HAC Score -0.2017; 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.