Nursing Home Case-Mix Adjusted Staffing Hours (CMS Formula)
Case-mix adjusted nursing home staffing hours by the CMS formula: reported over case-mix hours, times the national average.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Staff type
- Total nursing
- Reported hours per resident day
- 4.0
- Case-mix hours per resident day
- 3.6
- National average case-mix hours
- 3.8
Result: Adjusted 4.222 hours per resident day (total nursing)
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Staff type
- Reported hours per resident day
- Case-mix hours per resident day (CMS staffing file)
- National average case-mix hours (State US Averages)
How this is calculated
Citation
CMS. Design for Care Compare, Nursing Home Five-Star Quality Rating System: Technical Users' Guide, September 2026: Case-Mix Adjustment, Hours Adjusted = (Hours Reported / Hours Case-Mix) × Hours National Average Case-Mix. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.