MRI is easy to misread as the safe imaging modality. There is no ionising radiation, the room looks calm, and the scan feels routine. But in most superconducting MRI systems the static magnetic field remains present continuously, including when the scanner is not in use. The hazards it creates are physical, immediate and unforgiving of a lapse. That gap, between how safe MRI looks and how disciplined it has to be, is what the regulations and the Medicines and Healthcare products Regulatory Agency (MHRA) safety guidance exist to close.
The strongest imaging providers treat MRI safety as a running system, not a sign on the door. The weakest assume the scanner is low risk because nothing is radioactive. CQC can tell which is which within the first few questions.
The first thing to be clear about: this is not an IR(ME)R question
MRI does not use ionising radiation, so the Ionising Radiation (Medical Exposure) Regulations 2017, IR(ME)R, do not govern it. A centre that also runs X-ray or CT is under IR(ME)R for that ionising work, but the MRI service sits under a separate framework: the MHRA guidance, Safety Guidelines for Magnetic Resonance Imaging Equipment in Clinical Use.
This matters because providers who assume their IR(ME)R local rules also cover MRI leave a gap exactly where an inspector looks. The two frameworks answer different physics. Confusing them is one of the clearest signs that MRI safety has not been thought through on its own terms.
What the MHRA framework expects
The MHRA guidance is built on named safety roles. The MR Responsible Person carries management responsibility for safety within the unit and makes sure the agreed procedures are actually followed. The MR Safety Expert, normally a physicist with the appropriate registration, advises on the engineering, scientific and administrative side: the safety framework, site and access planning, adverse-incident investigation, and difficult patient examinations. Around them work the MR Authorised Personnel, trained to operate inside the controlled environment.
The MHRA guidance treats these as distinct responsibilities. The MR Responsible Person should not also act as the MR Safety Expert. A provider that has quietly merged the two, usually because the same person is the most knowledgeable individual available, has a gap to close: the guidance expects access to suitably qualified expertise that is separate from day-to-day management of the unit.
CQC does not expect a large team. It expects these responsibilities to exist, to be held by named people, and to function in practice rather than on paper.
The hazards CQC expects you to govern
The risks follow from the physics, and each one is a control an inspector can ask to see working:
- The static field never stops, so any ferromagnetic object brought near the magnet can become a projectile. Controlling access to the magnet room is a safety control, not an inconvenience.
- Patients and staff must be screened for contraindications before they enter: cardiac devices, cochlear implants, certain aneurysm clips, metallic foreign bodies. The completed screening record is the evidence that the check actually happened.
- Radiofrequency energy can heat tissue and cause burns, so patient positioning and padding matter.
- The superconducting magnet is cooled by cryogen, and a quench releases it rapidly. The room needs both the engineering for that rare event and a drill so staff know what to do.
- The scanner is loud enough to need hearing protection for patients and anyone staying in the room.
What CQC actually looks at
The MHRA document is recognised safety guidance, not a CQC statutory framework in its own right. CQC assesses MRI safety through the regulations, and more than two are engaged.
- Regulation 12, safe care and treatment. Are the risks above assessed and mitigated in real working practice?
- Regulation 15, premises and equipment. The controlled environment, access control, labelling, equipment suitability and maintenance sit here directly.
- Regulation 17, good governance. Can the provider show it: safety roles filled and named, local rules and standard operating procedures in date, screening records, authorisation logs, incident reporting with learning, and audits confirming the controls hold?
- Regulation 18, staffing. Engaged through the training, competence and authorisation of everyone working inside the controlled environment.
None of that is exotic. It is the ordinary evidence trail of a unit that runs its own safety, captured as it happens rather than assembled the week before a visit.
The evidence that makes the conversation calm
When the trail exists, the inspection is short. Who is the MR Responsible Person today. When the safety framework was last reviewed. That every patient was screened before entry. That staff are trained and authorised. That last month's near miss was recorded and learned from. Each answer is already in the record, so the provider is not reconstructing a story under pressure.
The evidence set a diagnostic imaging provider should be able to produce covers:
- Controlled access. How the MR environment is zoned, who may enter, how access is physically restricted and how that is enforced out of hours.
- Labelling and signage. Field boundary marking, door signage and equipment labelled as MR safe, MR conditional or MR unsafe.
- Screening and implant verification. Patient and staff screening records, and how an implant or device is verified against its conditions of use before entry.
- Authorisation records. Who is MR Authorised Personnel, on what basis, reviewed when.
- Training and competence. Induction, ongoing training and evidence that agency, locum and visiting staff are covered too.
- Emergency procedures. Medical emergency inside the controlled environment, including how a patient is evacuated from the magnet room rather than treated inside it.
- Quench response. The procedure, oxygen monitoring where fitted, ventilation, and evidence the team has rehearsed it.
- Equipment maintenance. Servicing, planned maintenance and fault records for the scanner and the ancillary equipment used with it.
- Incident reporting. Projectile events, burns, near misses and screening failures, with the learning and the change that followed.
The magnet does not take a week off, so neither can the safety system. Verivius keeps the recurring checks, authorisations, competence records, incidents and actions moving together. That matters most on an ordinary Tuesday, when a locum radiographer needs to know who is authorised today and whether the implant in front of them has been verified. That the same record answers CQC later is a by-product of running the unit safely.
Related guidance
- Sector overview: CQC compliance for diagnostic imaging
- Guide: Diagnostic imaging compliance guide
- Article: Diagnostic imaging and IR(ME)R compliance
- Regulation explainer: Regulation 12 safe care and treatment
- Regulation explainer: Regulation 17 good governance
- Tool: Risk register
- Tool: Training matrix