Healthscreen UK

6 New Buildings, Hinckley, LE10 1HW

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Safety Critical Medical

Safety critical assessments are required for employees or prospective employees who will be undertaking jobs that have a high degree of risk associated with them. The assessment ensures that individuals are medically fit to carry out their work safely and without risk to themselves or others.

How We Support You

Our safety critical assessment consists of a range of tests, including:

  • Baseline health questionnaire to establish any current or previous medical/psychological health history. This includes HAVs Tier 1&2.
  • General health assessment (BMI, blood pressure & pulse – urinalysis is not included by default – it is optional but not required to pass, please let us know if you want to include this).
  • Audiometry (hearing) test and Ear Examination.
  • Visual acuity (near and distance), colour vision and peripheral vision assessment.
  • Lung function testing to check for any underlying respiratory conditions that could be aggravated at work.
  • Musculoskeletal/mobility check to determine comfortable range of movements and identify relevant physical limitations.
  • Dermatology (skin) assessment.


The medical typically takes up to 60 minutes to complete and must be followed up a year after the initial medical assessment, and then every 3 years (subject to outcome) to maintain the certificate of fitness. Depending on the job requirements, additional assessments such as Drug and Alcohol tests or Night Worker assessments can be included if you request them.

Our Safety Critical Medicals also cover all areas within the Confined Space and Working at Height medicals (excluding urinalysis). If you would like these medicals to be listed on relevant certifications, please let us know.

Main Benefits

  • Ensures that employees are medically fit to undertake safety-critical work, reducing the risk of accidents and injuries.
  • Identifies any health conditions that may affect an employee’s ability to carry out their job safely and provides appropriate support to manage these conditions.
  • Increases employee confidence and morale by providing reassurance that their health and safety is a priority in the workplace.
  • Helps to reduce absenteeism and staff turnover by ensuring that employees are physically and mentally capable of carrying out their work.

Ensuring Regulatory Compliance

The Safety Critical Assessment service is essential for organisations to comply with the requirements set forth by the Health and Safety at Work Act 1974. This legislation places a legal duty on employers to ensure the health, safety, and welfare of their employees and the public. It specifically emphasises the importance of competence in safety-critical roles. By conducting comprehensive assessments, we help you meet the legal obligations outlined in this act, ensuring that individuals performing safety-critical tasks are fit, competent, and capable of carrying out their duties safely and effectively.

Safety Critical


Under the Health and Safety at Work Act 1974, individuals must be provided with a safety critical medical examination if they work in roles that are deemed safety-critical by their employer. This is to ensure that they are fit to work in hazardous environments or perform tasks that require a high level of physical and mental ability.

The certificate of fitness is valid for a set number of years depending on age group:

Under 54: Three years
55-65: Two years
65 plus: Annually

However, to maintain the certificate, a general health assessment is required annually.

If an individual fails the safety critical medical examination, they may be deemed unfit to work in a safety-critical role. However, this will depend on the specific requirements of the job and the company’s policies. In some cases, the individual may be offered a different role that is more suitable for their health status.

If you require a safety critical assessment for your employee(s), please contact us to book an appointment. We will provide you with a questionnaire to complete before your appointment and will require a form of ID, such as a driver’s licence or passport, before the assessment.