What is work-related injury?
Law 31/1995 defines occupational risk as the possibility that a worker may suffer a specific injury or illness arising from work, and injury as illnesses, pathologies, or injuries suffered as a result of or in connection with work. These two concepts are two sides of the same coin of prevention: risk is the possibility, and injury is its materialization. The legal definition is deliberately broad so that the obligation to prevent harm does not depend on the narrower categories of social protection: back pain from awkward postures , anxiety from overwork, or hearing loss from noise are all work-related injuries or illnesses, even if they are not classified as an accident or occupational disease.
In the Social Security system, however, injury is classified into categories with distinct legal and economic effects: work-related accidents (Article 156 of the General Social Security Law), occupational diseases (Article 157 and the table in Royal Decree 1299/2006), and diseases contracted by workers as a result of their work, provided it is proven that their sole cause was the performance of their duties, which are treated as work-related accidents (Article 156.2.e). All other injuries partially related to work are considered common contingencies, although from a prevention standpoint they are still considered work-related injuries.
This difference explains why prevention looks beyond official statistics: damages not recognized as occupational contingencies, particularly musculoskeletal disorders and mental health problems, constitute a very relevant part of the burden of disease attributable to work according to the European Agency for Safety and Health at Work and the International Labour Organization.
Types of work-related injuries
- Work accidents. Bodily injuries suffered on the occasion of or as a consequence of work, including those occurring during commutes and on assignment; they are reported by Delt@ and investigated in accordance with article 16.3 of Law 31/1995.
- Occupational diseases. Those contracted as a result of work in the activities and by the agents in the table of Royal Decree 1299/2006 (chemical, physical, biological, inhalation of substances, skin and carcinogens), with presumption of occupational origin.
- Work-related illnesses. Pathologies of multi-causal origin in which work is one factor among others: musculoskeletal disorders not included in the table, cardiovascular diseases associated with stress, shift work sleep disorders.
- Psychosocial damage. Work-related stress , professional burnout, anxiety and depression linked to work organization, violence or harassment.
- Long-term damage. Work-related cancers, pneumoconiosis, hearing loss, and other diseases with prolonged latency periods that require post-occupational health monitoring.
- Other impairments. Chronic fatigue, premature aging, loss of functional capacity, or effects on reproduction.
Obligations in the event of damage
- Prevent. Assess risks and take measures to avoid damage, in accordance with the principles of Article 15 of Law 31/1995.
- Investigate. Article 16.3 requires investigating all health damage caused, not just accidents resulting in sick leave, to detect its causes and review the assessment.
- Monitor health. Detect damage early through specific health surveillance (Article 22) and collectively analyze the results.
- Notify and register. Report accidents and occupational diseases through the Delt@ and CEPROSS systems, and keep the list of damages with incapacity greater than one day (article 23).
- Report and consult. Inform the worker safety representatives of the damage caused and consult on the resulting measures.
- Repair. Classification as a work-related contingency grants access to Social Security benefits and, if there is a preventive breach, may generate a surcharge on benefits and liabilities.
Organizational application: how to manage work-related injuries
- Define in the management procedure what is considered work-related injury, including accidents without sick leave, incidents with minor injury, musculoskeletal discomfort and reported stress situations.
- Establish simple and non-retaliation-free communication channels for workers and managers to report any work-related harm or symptoms.
- Investigate all damages using a systematic method, with the participation of worker safety representatives, and incorporate the causes into risk assessment and planning.
- Coordinate with the prevention service the specific health surveillance and collective analysis of results to detect early damage and patterns.
- Report accidents in a timely manner and collaborate in the declaration of occupational diseases; also analyze damages classified as common contingency when they are related to work.
- Record and analyze the damages with indicators by type, center and cause, and present them to the safety and health committee.
- Manage the return to work after injury with adaptations when necessary.
Preventive management software allows you to record all types of damage, link them to the investigation, the measures and the risk assessment, and offer indicators that go beyond official accident statistics.
Limits and common mistakes
- Limit the concept of damage to accidents resulting in sick leave and recognized occupational diseases.
- Failure to investigate non-work-related injuries, incidents, or illnesses.
- Disconnecting health surveillance from risk assessment means losing early detection.
- Consider psychosocial damage as personal problems unrelated to prevention.
- Confusing the Social Security rating with the preventive obligation to investigate and prevent.
- Failure to report the damage to the worker safety representatives or to analyze it in the safety and health committee.
The legal classification of each injury as a work-related or common contingency is the responsibility of Social Security and the courts; this information sheet is for informational purposes only.
Practical example
Situation: A cleaning company with 350 people observes an increase in absences due to common contingencies, specifically shoulder and back ailments, among office cleaning staff.
- Analysis. The prevention service cross-references absences with job positions and detects that they are concentrated in tasks such as window cleaning and high-rise mopping, although none have been classified as occupational contingencies.
- Investigation. These are treated as work-related injuries: ergonomic assessment using specific methods, interviews, and review of tools and service times.
- Measures. Replacement of tools with equipment with a light pole and rotating head, rotation of tasks, readjustment of times and practical training; early communication protocol for discomfort.
- Follow-up. Health monitoring with a protocol for awkward postures, an indicator of absences due to musculoskeletal causes, and re-evaluation after six months.
Regulatory framework in Spain
- Law 31/1995, articles 4.3, 15, 16.3, 22 and 23. Definition of work-related injury, prevention, investigation, health surveillance and documentation.
- Royal Legislative Decree 8/2015, General Social Security Law, articles 156 and 157. Concept of work accident and occupational disease.
- Royal Decree 1299/2006, of November 10. Table of occupational diseases and criteria for their notification and registration.
- Order TAS/2926/2002, of November 19. Notification of work accidents through the Delt@ system.
- Directive 89/391/EEC . Employer’s obligations to prevent risks and to keep a record of work accidents.
The International Labour Organization and the European Agency for Safety and Health at Work publish estimates of the global burden of disease and death attributable to work; in Colombia, Law 1562 of 2012 defines work accident and occupational disease.
