The federal nursing home scope-and-severity grid combines four severity levels with three scope categories. The resulting letter runs from A to L. We use it to organize the response to a citation, while checking the underlying facts and regulation before drawing conclusions about remedies or ratings.
The twelve cells
| Severity | Isolated | Pattern | Widespread |
|---|---|---|---|
| No actual harm; potential for minimal harm | A | B | C |
| No actual harm; potential for more than minimal harm, without IJ | D | E | F |
| Actual harm, without IJ | G | H | I |
| Immediate Jeopardy | J | K | L |
How to interpret scope
Isolated, pattern and widespread describe how far the deficient practice extends. CMS considers the people, staff, locations and systems affected. There is no fixed rule that one of eight records means isolated or that all records in a small sample automatically establish widespread scope. Read the survey narrative and the applicable guidance together.
Substantial compliance and correction
Levels A, B and C are consistent with substantial compliance; a deficiency at D or above is not. That does not make B and C documentation-free: CMS generally requires a PoC for deficiencies other than A, with an exception for past noncompliance. Correcting one disputed citation does not restore facility-wide compliance if other noncompliance remains.
Substandard quality of care has two conditions
The finding must involve a regulatory provision listed in the current definition of substandard quality of care, and it must be at F, H, I, J, K or L. The letter alone is insufficient. The definition includes specified provisions across rights, care, staffing, behavioral health, administration and infection control; the old shorthand of only three regulatory groupings is incomplete.
A qualifying finding can trigger an extended survey, notices and nurse aide training consequences. Read the agency’s determination rather than assuming an automatic star loss or a single remedy from the letter alone.
Disputes and rating effects
IDR allows a challenge to cited deficiencies, but standalone scope-and-severity disputes are limited to findings constituting IJ or substandard quality of care. It is not a general route to seek any preferred letter. A successful challenge to the factual or regulatory basis of a deficiency is a different question.
The current health inspection rating uses two standard surveys and a 36-month complaint and infection-control lookback, with weighted findings and state comparisons. No single letter guarantees a fixed rating change. Current IJ requires immediate action; a dispute cannot delay removing the threat.
Sources and applicability
We checked these sources on . This guide covers federal requirements for Medicare- and Medicaid-certified nursing homes. State licensing and assisted living requirements need a separate check. Use the current agency notice for your facility and involve the appropriate clinical or legal adviser for decisions.
- CMS survey and enforcement guidance — effective March 30, 2026 (opens in a new tab)
Chapter 7: PoCs (§7317), scope and severity (§7400), IDR/IIDR (§§7212–7213), IJ (§7308) and remedies (§7500 onward).
- CMS State Operations Manual, Appendix PP (opens in a new tab)
Tag-specific federal nursing home requirements and survey guidance. Read later amendments alongside this manual.
- CMS Five-Star Technical Users’ Guide — July 2026 (opens in a new tab)
Inspection, staffing and quality measure methodology; overall rating and SFF exceptions.