Medical Device Electrical Safety Testing: Nursing Homes vs. Hospitals

Medical device electrical safety testing in a nursing home uses the same core measurements as in a hospital (a visual inspection, ground resistance and leakage current) but the setting around it is different: nursing homes are surveyed against the Life Safety Code by CMS surveyors, usually have no in-house biomedical department, and keep residents on powered equipment for months or years. The practical result is that a nursing home has to build and document its own testing program, and has to show a surveyor the records.

What is the same in both settings

The physics does not change at the nursing home door. NFPA 99, the health care facilities code, sets expectations for patient care related electrical equipment, and CMS enforces the 2012 edition in nursing homes through Life Safety Code surveys. A device test in either setting starts with a visual inspection of the cord, plug, strain relief and housing, and then measures protective ground resistance and chassis leakage current against the limits for that device type. Each result is recorded against a specific device.

That shared core is why equipment moves easily between settings. A bed, lift, oxygen concentrator or infusion pump that is tested in a hospital biomedical shop is tested the same way by a technician visiting a nursing home. The differences are about who owns the program, how it is checked, and how much of the work the facility has to organize on its own. For a plain-language overview of what a test involves, see What Is PCREE Testing? and our PCREE testing facts page.

Who does the testing

Hospitals typically employ clinical or biomedical engineering staff who maintain, repair and electrically test equipment as part of a standing department, with their own analyzers, inventory system and work-order process. Electrical safety testing is one function among many in that department.

Most skilled nursing facilities do not have that department. Equipment testing falls to a maintenance director whose main job is the building, to an outside vendor, or to nobody in particular, which is how gaps develop. Our roles guide lays out how administrators, maintenance and nursing can split the work, and the in-house vs. vendor calculator helps weigh the two options. In practice, a nursing home that does not employ biomedical staff usually brings in an experienced biomedical technician on a schedule, so the testing is done with calibrated analyzers and the results arrive as a device-level report.

Cost and effort are modest compared with the exposure. Per our facts page, most skilled nursing facilities pay $15–$40 per device or $2,000–$8,000 per year under an annual contract, a test takes about 5–15 minutes per device, and a 100-bed facility typically has 150–300 devices, or roughly 2–4 technician-days. See how much PCREE testing costs for what drives the range.

Who checks the work: surveys and accreditation

Hospitals are generally reviewed by CMS-approved accrediting organizations or by state surveyors, with their own survey cycles and standards. Nursing homes are surveyed by state survey agencies on behalf of CMS. In the nursing home Life Safety Code survey, equipment testing is cited under K921, with related electrical findings under K911, K912, K914, K919 and K920. Our K-tag guide explains each one, and the Joint Commission article covers the accreditation side for facilities that also deal with hospital partners.

For nursing homes the exposure is not hypothetical. In CMS data for Life Safety Code surveys from October 2023 through September 2026, 1,365 of 14,686 U.S. nursing homes (9.3%) were cited under K921, and 76% of those citations were rated scope F (widespread), because missing test records usually affect every device in the building. Across all the electrical tags (K911–K921), 43.9% of nursing homes (6,445 facilities) received at least one citation. The median K921 correction took 37 days.

Equipment, risk and length of exposure

Hospitals have areas a nursing home does not, such as operating rooms and intensive care units, and NFPA 99 places additional requirements on those spaces. A nursing home is not a surgical setting. What a nursing home does have is a different kind of exposure: residents live there. A resident on a powered pressure-relief mattress, an oxygen concentrator, a feeding pump or a ventilator may be connected to electrical equipment around the clock for months or years, in a room that is also their home, often with family-supplied appliances nearby.

NFPA 99 has each facility assess risk and set its own testing approach in written policy, so a nursing home has to decide which devices are in scope, how often each is tested, and who is responsible. Most nursing homes test patient care equipment annually, and also before first use and after any repair. Three situations create most of the gaps:

• Rental and loaner equipment that arrives from a supplier without a nursing home test record. See rental and loaner equipment.
• Resident-owned equipment that comes in through admissions. See resident-owned equipment.
• Repaired devices that return to service without a post-repair test. See post-repair testing.

Side-by-side comparison

The records a nursing home needs

Because the survey is a record review as much as a walk-through, the documentation is the part a nursing home most needs to get right. A strong device-level record shows an identifier for each device, the date tested, who tested it, the instrument used, the measured values, a pass or fail result, and what happened to anything that failed. Surveyors look for measured values, not just a checkmark. The sample PCREE report shows what that looks like, the PCREE testing form guide lists what each record should contain, and the survey-readiness checklist turns it into a walk-through you can run yourself.

Why testing by a qualified biomedical technician matters

A cord that looks fine can still carry a fault. Elevated leakage current or a broken protective ground cannot be seen, and the residents most dependent on equipment, those on ventilators, oxygen or powered mattresses, are the least able to protect themselves from it. A qualified biomedical technician measures these values with calibrated analyzers, compares them with the applicable limits, and documents the result. That measurement is the difference between assuming a device is safe and knowing it is. Understanding leakage current explains what is being measured, and PCREE testing vs. biomedical calibration clarifies how electrical safety testing differs from performance calibration.

A nursing home should not assume a hospital-style department exists behind the equipment. Where there is no in-house biomedical staff, the nursing home has to arrange for a qualified person to do the testing, or the testing does not happen.

Guidance for health systems and multi-facility operators

Health systems that run post-acute units or own nursing homes often assume the hospital biomedical department covers them. Sometimes it can, but the nursing home still has to meet nursing home survey requirements, and the records have to be producible at the nursing home, not only in a central system. Regional and corporate operators face a related problem: 69.6% of U.S. nursing homes are linked to a chain or affiliated entity in CMS data, and 491 of 546 organizations with five or more buildings had some buildings cited for electrical safety and others not. Consistency across buildings is the goal.

• Use the chain electrical citation report to see which buildings carry the most exposure.
• Standardize on one report format, one schedule and one point of contact through the multi-facility PCREE testing program.
• County, state and health-system purchasers can use the procurement packet for a scope of work and vendor requirements.

A practical action plan

1. Name an owner. One person is accountable for the testing program and its records.
2. Build the inventory. Include owned, rented, loaner and resident-owned equipment.
3. Have every device tested by a qualified biomedical technician, with measured values recorded and failed devices repaired and retested.
4. Check readiness. Run the readiness assessment and look up your facility in the survey-risk lookup.
5. If you were cited, use the plan of correction builder.

Multi-Facility Program Procurement Packet