Reading the CMS Nursing Home Quality Measure Rating

The CMS quality measure rating is built from clinical assessment data. Here is what it captures, how it is adjusted, and where it falls short.

Updated 2026

This guide is informational and is not medical advice.

Category: staffing-and-quality · Updated 2026

The quality measure (QM) star on Care Compare sums up clinical outcomes and processes drawn from data facilities submit about every resident. It is one of three domains in the overall CMS rating, next to health inspections and staffing. Quality measures can serve as a useful early-warning signal, yet they are also the domain most shaped by how a facility assesses and codes its residents.

This guide covers where the data originates, what the measures examine, and how to read the QM star without trusting it too far.

Where the data originates

The quality measures come from the Minimum Data Set (MDS), a standardized clinical assessment that Medicare- and Medicaid-certified nursing homes complete for each resident at set intervals. Facilities send MDS data to CMS, which computes measures covering both short-stay residents, frequently after a hospital or rehabilitation stay, and long-stay residents. CMS then risk-adjusts the measures and rolls them into the QM rating. The Five-Star Technical Users' Guide lists the measures currently in use.

What the measures examine

Quality measures address areas that matter to families, including:

Falls with major injury
Pressure ulcers
Antipsychotic medication use
Activities of daily living and mobility
Incontinence and catheter use
Short-stay rehospitalization and successful return to the community

Because these are clinical outcomes and processes, they can surface problems that inspection reports overlook, such as a building-wide pattern of pressure ulcers.

Short-stay against long-stay measures

Population	What it reflects
Short-stay	Rehabilitation and post-acute care, including hospital readmissions
Long-stay	Ongoing care, including function, medications, and skin integrity

Match the measure to your situation. A family choosing long-term care cares more about long-stay measures, while someone weighing rehabilitation after surgery cares more about short-stay results.

Getting the most from quality measures

Set the facility's measures against the state and national averages shown on Care Compare
Watch for one concern echoing across measures, such as high antipsychotic use paired with low function
Read the QM star together with the inspection and staffing stars, never alone
Ask the director of nursing to explain an outlier measure and the response to it
Note the data date, since measures refresh on a schedule

See How to Compare Facilities for a side-by-side method.

Limits of the quality measure rating

Since facilities submit the MDS data themselves, coding practices can sway the numbers even though CMS audits it. Some measures are simpler to influence through documentation than through real care. A facility with sterling measures is not automatically better than one with average measures but stronger inspections and staffing. Treat quality measures as one piece of a wider picture that includes visits, family feedback, and the other CMS domains. Read the full context in How We Interpret CMS Data.

Sources: CMS Five-Star Technical Users' Guide; Medicare Care Compare; CMS Provider Data Catalog.

Related guides

Frequently asked questions

What is the MDS?

The Minimum Data Set is a standardized clinical assessment tool that certified nursing homes complete for each resident. CMS uses it for care planning, payment, and quality measurement.

Are quality measures self-reported?

The underlying MDS data comes from the facility, and CMS audits it. That is why the QM star is best read next to inspections and staffing, which rely less on self-coding.

Which quality measures matter most in long-term care?

For long-stay residents, measures such as pressure ulcers, falls with major injury, antipsychotic use, and functional decline are especially relevant. Match the measures to the person's needs.

Why might a facility have a high QM star yet a low inspection star?

The domains capture different things. Quality measures reflect reported clinical data, while inspections reflect on-site compliance findings. A gap like that is worth asking about directly.

Can quality measures be lifted by documentation alone?

Coding practices can influence the data, which is a known limitation, and CMS audits MDS submissions. Use the measures as a signal, then confirm with a visit and other sources.

Data sources

CMS Provider Data Catalog · CMS Care Compare. This guide is informational and is not medical advice. Data as of 2026-10-06.

Required disclosures

For general information only, not medical advice. This website shares public data and general information. It does not offer medical advice, diagnosis, or treatment guidance, and it cannot replace a consultation with a qualified health care professional or with Medicare.

Independent and unaffiliated. MedicalFacilities.org is a private, independently run directory. It is not affiliated with, nor endorsed or operated by, the Centers for Medicare & Medicaid Services (CMS), Medicare, or any government agency. CMS has not reviewed or endorsed this site.

Confirm details before acting. Facility records come from public federal datasets and may lag or contain errors. Always verify current ratings, services, availability, and coverage directly with the provider and on Medicare.gov.

Certain outbound links on this site are partner or affiliate links. If you use them we may receive a commission, and your price does not change. This never influences the data we publish.