Before you use this guide
This is general information, not a diagnosis or a substitute for care from a clinician who knows your medical history. Seek urgent help for severe or rapidly worsening symptoms.
What is workplace health surveillance?
The Health and Safety Executive describes health surveillance as a scheme of repeated health checks used to identify ill health caused by work. It is one part of occupational health and should be linked to a workplace risk assessment, identified hazards and the controls already in place.
Surveillance is not a substitute for eliminating or controlling exposure. Its purpose is to detect adverse changes early, give workers an opportunity to raise concerns and show whether risk controls may need to be improved.
When might health surveillance be required?
Health surveillance may be required when there is an identifiable disease or adverse health effect linked to a workplace hazard, there is a reasonable likelihood it could occur under the working conditions, and there is a valid way to detect it early. Common examples include exposure to noise, hand-arm vibration and substances that can cause occupational asthma or dermatitis.
Some hazards—including asbestos, lead and ionising radiation—fall within statutory medical surveillance arrangements with specific requirements. These are not interchangeable with a general provider screening day and may require an HSE-appointed doctor.
Health surveillance, fitness medicals and wellbeing screening are different
A wellbeing screen may measure general indicators such as blood pressure or cholesterol. A fitness-to-work medical considers whether someone can safely perform a particular role. Health surveillance looks for early effects associated with a defined occupational exposure. An organisation may need one, two or all three—but each should have a clear purpose.
Calling every health check “surveillance” can create false reassurance and poor records. Start with the risk assessment and role requirements, then agree the appropriate checks and escalation pathway with a competent occupational health professional.
Building a proportionate programme
- Identify the hazards, exposed groups and residual risk after controls.
- Confirm whether legislation or industry guidance specifies a surveillance method.
- Choose a competent provider with the skills required for the relevant tests.
- Set baseline and repeat intervals appropriate to the exposure and scheme.
- Explain the purpose, process and confidentiality arrangements to workers.
- Define referral, recall and escalation routes before testing begins.
- Keep the required health records and review anonymised trends.
Confidentiality and acting on results
The worker’s detailed clinical findings are confidential. Employers should receive the appropriate outcome—such as fitness advice, restrictions or surveillance status—rather than an unnecessary diagnosis or full medical history. Consent and data-handling arrangements should be clear from the outset.
Surveillance only protects people when findings prompt action. That may mean reviewing exposure controls, retraining, maintenance, referral, temporary restrictions or redeployment. Grouped, anonymised trends can also reveal a problem that is not obvious from a single assessment.
Common questions
Questions about this topic.
Not automatically. Health surveillance is linked to specific workplace risks and uses repeated checks designed to detect work-related effects. General screening has a different purpose.
Sources and further reading
We use authoritative UK guidance and patient information. External sources may be updated after this guide is published.
