Every CMS citation gets a letter from A to L that combines severity (how much harm or potential harm) and scope (how many residents could be affected: isolated, pattern or widespread). For most electrical tags, the letter tells you something important. 1,179 of 1,563 K921 citations (75%) were rated F, meaning potential for more than minimal harm, widespread across the facility.
Scope and Severity of Electrical Citations
| Tag | What it covers | Citations | Rated F (widespread) | Share F |
|---|---|---|---|---|
| K921 | PCREE testing & maintenance | 1,563 | 1,179 | 75% |
| K914 | Bedside receptacles | 1,963 | 1,414 | 72% |
| K912 | Receptacle grounding | 604 | 92 | 15% |
| K911 | Electrical systems | 973 | 234 | 24% |
| K920 | Power strips & extension cords | 5,299 | 862 | 16% |
| K919 | Use of electrical equipment | 765 | 84 | 11% |
Reading the Letter
- D, E, F: no actual harm, but potential for more than minimal harm. D is isolated, E is a pattern, F is widespread.
- G and above: actual harm to a resident. Only one electrical citation in three years reached G, a K920 power strip citation.
Why K921 Is Usually Widespread
A K921 problem is rarely about one device. If testing lapsed, every bed, lift, monitor and concentrator in the building is untested, so every resident is exposed. That's why surveyors usually rate it F. It's also why a widespread rating should get an operator's attention: it means nobody in the building can show that patient care equipment is electrically safe.
Why This Needs a Qualified Biomedical Technician
PCREE testing isn't a maintenance chore you can hand to whoever is available. Residents are often frail, incontinent, on oxygen, or connected to IV lines, feeding pumps and monitors, and many have thin, compromised skin. Those are exactly the conditions where a small amount of electrical leakage current, a broken ground, or a damaged cord can cause a shock, a burn or a fire. A qualified biomedical technician uses a calibrated electrical safety analyzer, knows the NFPA 99 limits, recognizes failure patterns in beds, lifts and pumps, and produces device-level records that prove each device is safe. That's what protects residents, and it's what surveyors look for.
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Source: PCREETest.com analysis of the CMS Provider Data Catalog, Nursing Homes: Fire Safety Deficiencies and Provider Information (processed September 2026). Electrical tags: K911, K912, K914, K919, K920, K921. Survey dates September 2023 to August 2026. These are associations, not proof of cause.
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About the Author
PCREE Test Editorial Team
Content reviewed by biomedical professionals with experience in patient care electrical equipment testing, NFPA 99 compliance, and CMS Life Safety survey preparation for skilled nursing facilities.