HAC Penalty Risk Auditor
FY2026 · structural fragility of Total HAC Scores
Hospital audit
MUSC HEALTH CHESTER MEDICAL CENTER
SC · Facility ID 420019 · FY2026
Total HAC Score
-0.7018
Percentile
12.7th
Displayed status
No reductionFrom CMS Payment Reduction column (file).
Score vs threshold (0.3792)
Hospital score -0.7018. Penalty threshold 0.3792. Distribution of 2929 scored hospitals.
Data completeness
Reported on 3 of 6. Missing measures show N/A with the CMS footnote; footnote 18 values are imputed worst-case, not measured performance.
- PSI-90z -0.256
- CLABSIN/A
- CAUTIN/A
- SSIz -0.388
- CDIz -1.462
- MRSAN/A
Fragility
Each reported measure moves the score by 0.3333 points.
| Measure | Current Z | Score @ floor | Score @ cap | Abs swing |
|---|---|---|---|---|
| PSI-90controls fate | -0.2557 | -1.1111 | 0.2204 | 1.3315 |
| CDI | -1.4622 | -0.7018 | 0.5166 | 1.2184 |
| SSI | -0.3876 | -1.0581 | 0.1513 | 1.2094 |
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 SC (51 scored): 10.8th
Hospital score -0.7018. Penalty threshold 0.3792. Distribution of 51 scored hospitals.
Percentile among hospitals with 3 reported measures (196 scored): 18.6th
Hospital score -0.7018. Penalty threshold 0.3792. Distribution of 196 scored hospitals.
Plain-language verdict
As scored, the CMS file lists no payment reduction (Total HAC Score -0.7018; threshold 0.3792).
Reported on 3 of 6 measures; each reported measure moves the equal-weighted score by 0.3333 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.