Introduction
Compensation for occupational diseases in Turkey is an important legal remedy for workers who suffer illness, disability, loss of earning capacity or death because of the nature of their work or the conditions under which the work is performed. Unlike sudden workplace accidents, occupational diseases usually develop gradually. They may appear after repeated exposure to dust, chemicals, noise, radiation, vibration, heavy metals, biological agents, ergonomic stress, toxic fumes, asbestos, silica, solvents, pesticides or other harmful workplace conditions.
Occupational disease claims in Turkey are legally and medically complex. A worker may have been exposed to harmful conditions for months or years before symptoms appear. The disease may be diagnosed after the worker leaves the job. The employer may deny causation. Medical records may be incomplete. Workplace exposure measurements may not have been performed. The worker may have worked for multiple employers. For these reasons, occupational disease compensation claims require careful legal strategy, medical evidence and technical expert analysis.
Under Turkish social security law, occupational disease is defined as a temporary or permanent illness, physical or mental disability suffered by the insured worker due to repeated causes arising from the nature of the work or because of the conditions under which the work is carried out. The recognition of an occupational disease generally requires medical board reports, supporting medical documents, workplace-condition reviews and determination by the Social Security Institution Health Board.
An occupational disease may give rise to several legal consequences. First, the worker may apply for recognition of the disease by the Social Security Institution, known as SGK. Second, the worker may receive social security benefits such as temporary incapacity allowance or permanent incapacity income if statutory conditions are met. Third, if the employer or other responsible parties failed to take necessary occupational health and safety measures, the worker may file a civil compensation lawsuit for material and moral damages. In fatal cases, the worker’s dependants may claim loss of support compensation and moral damages.
What Is an Occupational Disease Under Turkish Law?
An occupational disease is not any illness suffered by a worker. The key point is the causal connection between the disease and the work. The illness must arise from the nature of the work or the conditions in which the work is performed. This may include repeated exposure to harmful substances, unsafe production methods, inadequate ventilation, lack of protective equipment, insufficient health surveillance or long-term ergonomic strain.
Article 14 of Law No. 5510 defines occupational disease as a temporary or permanent disease, physical or mental disability suffered by the insured person because of repeated causes arising from the nature of the work or because of the conditions under which the work is carried out. It also requires recognition through authorized medical reports, supporting documents and SGK Health Board assessment.
This definition is broad enough to cover many types of illnesses. Examples may include pneumoconiosis caused by dust exposure, silicosis, asbestosis, mesothelioma, occupational asthma, chemical poisoning, noise-induced hearing loss, skin diseases caused by chemicals, musculoskeletal disorders, occupational cancers, infectious diseases related to work, lead poisoning, solvent-related neurological disorders and other work-related illnesses.
The most important legal issue is proof. The worker must show that the disease is not merely a general health condition but is connected to occupational exposure. This usually requires medical reports, workplace records, exposure history, occupational physician records, risk assessments, witness statements and expert evaluation.
Occupational Disease and Workplace Accident: What Is the Difference?
Occupational disease and workplace accident are related but different concepts. A workplace accident is usually a sudden event. A fall from scaffolding, machinery injury, electric shock or traffic accident during work may be recognized as a work accident. Occupational disease, by contrast, usually develops over time. It is caused by repeated exposure or long-term working conditions.
For example, a construction worker who falls from a scaffold suffers a workplace accident. A construction worker who develops silicosis after years of inhaling dust may have an occupational disease. A factory worker injured by a machine has a work accident. A factory worker who develops hearing loss after long-term exposure to high noise may have an occupational disease.
This distinction matters because evidence, medical evaluation and legal strategy differ. In workplace accidents, the incident date and accident scene are usually clear. In occupational disease claims, exposure history and causation are often disputed. The disease may be diagnosed years after exposure. Several employers may be involved. Medical experts may need to determine whether the disease is compatible with the worker’s job history and exposure level.
Employer Duties in Preventing Occupational Diseases
Employers in Turkey have broad duties to protect workers from occupational risks. Occupational disease prevention is not limited to giving a mask or placing a warning sign. The employer must establish an effective occupational health and safety system.
Article 4 of Occupational Health and Safety Law No. 6331 provides that employers are responsible for ensuring work-related health and safety. Within this framework, employers must prevent occupational risks, provide training and information, take necessary measures, organize the work, provide necessary tools and equipment, adapt safety measures to changing conditions, monitor compliance, remedy non-compliance, conduct risk assessment and consider whether the worker is suitable for the task from a health and safety perspective.
For occupational disease claims, this duty is central. If workers are exposed to dust, chemicals, fumes, noise, radiation or biological risks, the employer must assess the risks, reduce exposure at the source, provide ventilation, use safer substances where possible, implement collective protection measures, provide personal protective equipment, train workers and monitor health.
Article 15 of Law No. 6331 also requires employers to ensure health surveillance by considering the health and safety risks workers will be exposed to at the workplace. It requires medical examinations at recruitment, job change, return to work after repeated absence due to work accident, occupational disease or health reasons upon request, and periodically according to the worker’s job and workplace hazard class.
If the employer fails to perform health surveillance, ignores early symptoms, does not conduct risk assessment or fails to provide protective measures, this may support employer fault in a compensation lawsuit.
Common Occupational Diseases in Turkey
Occupational diseases may arise in many industries. The type of disease depends on the worker’s job, exposure and workplace environment.
Dust-related lung diseases are common in mining, construction, textile, ceramics, foundry, quarrying, stone cutting, tunnel work and sandblasting. Pneumoconiosis, silicosis and asbestosis may develop after inhalation of hazardous dust. These diseases can cause shortness of breath, reduced lung capacity, disability and death.
Occupational asthma may arise from exposure to chemicals, flour dust, cleaning agents, paints, isocyanates, fumes or allergens. A worker may develop breathing problems, coughing and reduced working capacity.
Noise-induced hearing loss may occur in factories, construction sites, airports, shipyards, metal workshops and manufacturing facilities where workers are exposed to high noise without adequate protection.
Skin diseases may arise from repeated contact with chemicals, detergents, solvents, oils, cement, latex, dyes or other irritants. These conditions may affect workers in cleaning, healthcare, construction, manufacturing, hairdressing and chemical sectors.
Musculoskeletal disorders may arise from repetitive movements, heavy lifting, awkward posture, vibration, long standing, poorly designed workstations or inadequate ergonomic planning.
Occupational cancers may be linked to asbestos, benzene, certain chemicals, radiation or other carcinogenic exposures. These claims are often difficult but may be highly significant because disease may appear many years after exposure.
Recognition of Occupational Disease by SGK
A crucial step in many occupational disease cases is recognition by the Social Security Institution. Article 14 of Law No. 5510 requires the occupational nature of the disease to be determined through medical board reports and supporting medical documents from authorized healthcare providers, and where necessary through review of workplace conditions and related documents by SGK.
Recognition by SGK is important because it may allow the worker to receive social security benefits and may also support a later compensation lawsuit. However, SGK recognition does not automatically mean the worker has received full compensation. Social security benefits and civil compensation claims are legally different.
Article 16 of Law No. 5510 lists the benefits provided in work accident and occupational disease cases. These include temporary incapacity allowance, permanent incapacity income, income for beneficiaries if the insured worker dies due to work accident or occupational disease, marriage allowance for certain beneficiaries and funeral allowance.
Even if SGK grants benefits, the worker may still have additional claims against the employer if employer fault caused or contributed to the occupational disease. SGK benefits may be considered in the calculation, but they do not necessarily eliminate the worker’s right to claim material and moral compensation.
Employer Notification and Medical Reporting
Occupational disease reporting is also important. Authorized healthcare providers that diagnose an occupational disease must notify SGK within the legally required period. Law No. 6331 provides that healthcare providers must notify work accidents, and authorized healthcare providers must notify diagnosed occupational disease cases to SGK within ten days.
This obligation helps ensure that occupational diseases are not hidden or ignored. However, in practice, workers may still face difficulties. Some diseases may be misdiagnosed. Some workers may not know that their illness is work-related. Some employers may deny exposure or fail to provide records. Some workers may have left the job before diagnosis.
For this reason, a worker who suspects occupational disease should gather work history, job descriptions, workplace exposure information, medical records, previous health reports, occupational physician records and witness statements. If the disease is diagnosed after leaving the job, the connection with former employment must be carefully documented.
Civil Compensation for Occupational Diseases
Civil compensation is separate from SGK benefits. If the occupational disease was caused by the employer’s failure to take necessary occupational health and safety measures, the worker may claim material and moral damages from the employer and possibly other responsible parties.
Material compensation may include treatment expenses not covered by social security, loss of income, temporary incapacity, permanent disability compensation, loss of future earning capacity, impairment of economic future, additional care costs and other financial losses.
Article 54 of the Turkish Code of Obligations lists bodily injury damages as treatment expenses, loss of earnings, losses arising from reduction or loss of working capacity and losses caused by impairment of economic future.
Moral compensation may be claimed for pain, suffering, fear, anxiety, loss of health, reduced quality of life, permanent disability, psychological distress and loss of bodily integrity. Article 56 of the Turkish Code of Obligations allows moral compensation where bodily integrity is harmed and also allows moral compensation to relatives in cases of severe bodily injury or death.
A successful civil compensation claim must show that the disease is work-related, that the employer or another responsible party was at fault or legally responsible, that the worker suffered damage, and that there is a causal link between the workplace exposure and the disease.
Permanent Disability Compensation
Permanent disability compensation is one of the most important claims in occupational disease cases. Many occupational diseases reduce the worker’s ability to work permanently. Lung disease may prevent heavy work. Hearing loss may affect communication and job safety. Chemical exposure may cause neurological limitations. Musculoskeletal disorders may prevent manual labour. Occupational cancer may cause severe loss of earning capacity or death.
The calculation of permanent disability compensation usually depends on the worker’s age, real income, disability rate, occupational capacity, remaining working life, fault ratio and actuarial assessment. Medical board reports are essential. If the worker’s official wage is lower than the real wage, the real income should be proven through bank records, witness statements, workplace practice, sector wage research, payroll documents and other evidence.
In many occupational disease cases, the worker may not become fully disabled but may suffer partial loss of working capacity. Even partial loss may justify compensation if it reduces earning ability or limits future employment options.
Fatal Occupational Diseases and Loss of Support Compensation
Some occupational diseases may lead to death. Examples include severe pneumoconiosis, silicosis, asbestos-related disease, occupational cancer, toxic exposure, chronic lung disease and other serious work-related illnesses. In fatal cases, the deceased worker’s dependants may claim loss of support compensation and moral damages.
Loss of support compensation is material compensation. It aims to compensate persons who were financially supported by the deceased worker or would probably have been supported in the future. The claim may belong to the spouse, children, parents or other dependants depending on the support relationship.
The calculation considers the deceased worker’s age, income, occupation, probable working life, family structure, support shares, dependants’ ages and actuarial assumptions. If the deceased worker earned more than the official wage, real income must be proven.
Relatives may also claim moral compensation for grief, emotional suffering and loss of family bond. The amount depends on the closeness of the relationship, severity of the event, degree of employer fault and fairness.
Occupational Disease Claims Against Main Employers and Subcontractors
Occupational disease cases may involve more than one employer. A worker may be employed by a subcontractor while working at the workplace of a main employer. Exposure may occur at a site controlled by a larger company. The worker may have been assigned to hazardous work by one entity while payroll was handled by another.
Article 2 of Labour Law No. 4857 defines the main employer-subcontractor relationship and states that the main employer is jointly responsible with the subcontractor for obligations arising from the law, employment contract or collective agreement concerning the subcontractor’s workers at that workplace.
This principle can be important in occupational disease claims. If a subcontractor worker developed silicosis, lung disease, hearing loss or chemical exposure illness while working in the main employer’s workplace, the main employer’s responsibility should be carefully examined. The main employer may have controlled ventilation, work organization, protective equipment rules, site safety and exposure sources.
A strong lawsuit should identify all responsible parties: direct employer, main employer, subcontractor, site operator, parent company, equipment supplier or other parties that contributed to exposure.
Evidence Required for Occupational Disease Claims
Evidence is the foundation of occupational disease compensation. Because the disease develops over time, evidence must connect the illness with workplace exposure.
Important evidence includes medical board reports, SGK files, occupational disease hospital reports, workplace health records, employment records, job descriptions, payroll records, witness statements, risk assessments, workplace exposure measurements, dust measurements, noise measurements, chemical exposure records, occupational physician reports, personal protective equipment delivery forms, training records, inspection reports, photographs, videos, production records and criminal or administrative investigation files.
If the worker changed jobs, a full work history should be prepared. The petition should identify where, when and how the worker was exposed. Witnesses may be crucial, especially if the employer did not keep proper records.
Medical records are also essential. The worker should collect diagnosis reports, imaging results, pulmonary function tests, audiometry records, laboratory results, pathology reports, treatment records, prescriptions and disability reports.
Expert Reports in Occupational Disease Cases
Occupational disease lawsuits almost always require expert reports. Experts may include occupational health and safety specialists, occupational medicine specialists, pulmonologists, toxicologists, engineers, medical board experts and actuarial experts.
Technical experts may examine whether workplace exposure existed and whether the employer took necessary precautions. Medical experts may evaluate whether the disease is compatible with the worker’s exposure history. Actuarial experts may calculate material compensation.
Expert reports may determine the outcome of the case. If the expert report ignores exposure history, fails to examine multiple employers, relies only on incomplete records or does not address employer health surveillance duties, the claimant should object and request an additional or new report.
A strong legal strategy should prepare the file for expert review. The claim should clearly explain the worker’s job, exposure duration, protective measures, symptoms, diagnosis, SGK process, disability and damages.
Burden of Proof and Causation Problems
Causation is often the hardest issue in occupational disease claims. Employers may argue that the disease was caused by smoking, genetic factors, non-work exposures, hobbies, previous employers, general environmental pollution or personal health conditions.
The worker must build a factual and medical chain. This chain should show the hazardous workplace exposure, duration of exposure, insufficient protection, compatible medical diagnosis and lack of alternative dominant cause. In some cases, multiple factors may contribute to the disease. Employer liability may still arise if workplace exposure was a significant cause.
The absence of workplace measurements should not automatically defeat the worker’s claim. If the employer failed to measure dust, noise or chemicals, this may itself support negligence. Witness statements, sector conditions, job descriptions and expert inference may help prove exposure.
Limitation Periods for Occupational Disease Compensation
Limitation periods must be examined carefully. Occupational disease cases are different from sudden accidents because the disease may appear long after exposure. For tort-based compensation claims, Article 72 of the Turkish Code of Obligations generally provides a two-year period from the date the injured person learns of the damage and liable person, and in any event a ten-year period from the act. If the act also constitutes a criminal offence and criminal law provides a longer limitation period, the longer criminal limitation period applies.
In occupational disease cases, the starting point may be disputed. The worker may not know the disease is work-related until diagnosis, SGK recognition or medical board assessment. The employer may argue that limitation started earlier. The worker may argue that the damage and liable person became known only after medical confirmation of occupational causation.
Because limitation can be complex, workers should seek legal advice as soon as occupational disease is suspected. Waiting until all medical procedures are completed may create legal risk.
Mandatory Mediation and Labour Court Procedure
Occupational disease compensation lawsuits are generally filed before labour courts. A key procedural rule concerns mediation. Article 3 of Labour Courts Law No. 7036 generally requires mediation before lawsuits concerning employee or employer receivables and compensation based on law, individual employment contracts or collective agreements. However, the same article expressly states that this rule does not apply to material and moral compensation claims arising from work accidents or occupational diseases, nor to related determination, objection and recourse actions.
Therefore, a direct material and moral compensation lawsuit arising from occupational disease is generally not subject to mandatory mediation. However, if the worker also claims ordinary employment receivables such as unpaid wages, overtime, severance pay or notice pay, those claims may require separate mediation analysis.
A compensation lawsuit should clearly state the disease, exposure history, employment relationship, employer fault, SGK process, medical evidence, material damages, moral damages and requested expert examinations.
Claims by Foreign Workers in Turkey
Foreign workers may also claim compensation for occupational diseases in Turkey. This includes workers with work permits, migrant workers, undocumented workers, subcontractor employees, seasonal workers and foreign technical personnel. The absence of a written contract or work permit does not automatically eliminate the possibility of a claim if the actual employment relationship and work-related exposure can be proven.
Foreign workers may face practical difficulties. They may not have full medical records. They may have worked informally. They may fear immigration consequences. They may have returned to their home country before diagnosis. They may need translations of medical and employment documents.
A foreign worker should collect employment records, witness information, workplace photographs, payment records, messages, medical reports and identity documents. If the worker receives diagnosis or treatment abroad, foreign medical records may need apostille and sworn translation before Turkish courts.
Common Mistakes in Occupational Disease Claims
Common mistakes include waiting too long, relying only on SGK benefits, failing to document exposure history, not obtaining medical board reports, not identifying all employers, ignoring subcontractor-main employer responsibility, failing to prove real wage, not collecting witness statements, not requesting workplace records and not objecting to insufficient expert reports.
Another common mistake is assuming that occupational disease recognition by SGK automatically provides full compensation. SGK benefits may be important, but civil compensation for employer fault must be pursued separately.
Employers may also make mistakes. Failing to conduct risk assessment, failing to keep health surveillance records, failing to provide protective equipment, ignoring workplace measurements and failing to notify occupational disease cases may strengthen the worker’s claim.
Practical Steps After Diagnosis of Occupational Disease
A worker diagnosed with a possible occupational disease should act quickly. First, obtain all medical reports and diagnosis documents. Second, prepare a detailed work history listing employers, job duties, exposure types and dates. Third, collect witness names and contact information. Fourth, request SGK recognition where appropriate. Fifth, obtain workplace records, occupational physician records and exposure documents if possible. Sixth, preserve wage evidence. Seventh, avoid signing settlement or release documents without legal review. Eighth, consult a lawyer before limitation or evidence problems arise.
If the worker is too ill to manage the process, family members should help collect documents. In fatal cases, dependants should obtain death certificate, family records, income evidence, medical records and SGK documents.
Why Legal Representation Is Important
Occupational disease compensation claims are among the most technical labour compensation cases. They require knowledge of social security law, occupational health and safety law, labour court procedure, medical causation, expert reports, disability calculation and employer liability.
A lawyer can identify responsible employers, obtain SGK files, request medical and workplace records, prepare exposure history, prove real wage, coordinate expert review, calculate material and moral damages, file the lawsuit and object to insufficient reports.
Legal representation is especially important in silicosis, pneumoconiosis, asbestos disease, occupational cancer, hearing loss, chemical exposure, foreign worker cases, fatal disease claims and multi-employer exposure histories.
Conclusion
Compensation for occupational diseases in Turkey protects workers who suffer illness, disability or death because of repeated workplace exposure or harmful working conditions. Turkish law defines occupational disease as a temporary or permanent disease, physical or mental disability caused by repeated reasons arising from the nature of work or by work conditions, and requires medical and SGK-based determination.
Employers have broad occupational health and safety duties. They must prevent risks, provide training and information, organize safe work, supply necessary equipment, conduct risk assessments, monitor compliance and ensure health surveillance. These duties are central in occupational disease litigation.
Workers may receive SGK benefits such as temporary incapacity allowance, permanent incapacity income and, in fatal cases, income for beneficiaries and funeral allowance. However, SGK benefits do not necessarily replace a civil compensation claim against the employer.
An injured worker may claim material compensation for treatment expenses, loss of income, permanent disability and impairment of economic future. The worker may also claim moral compensation for pain, suffering, loss of health, psychological distress and reduced quality of life. In fatal occupational disease cases, dependants may claim loss of support compensation and moral damages.
The success of an occupational disease compensation claim depends on medical proof, exposure history, SGK records, employer fault, expert reports, real wage evidence and timely legal action. A properly prepared claim in Turkey can help workers and families recover financial losses, obtain moral compensation and hold employers legally accountable for preventable occupational diseases.
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