Not every workplace injury happens in an instant. Some develop over months or years. A construction worker inhales silica dust every day for a decade and develops a lung condition. A data entry specialist performs the same keystrokes thousands of times a day until the numbness in her hands becomes permanent. A healthcare worker handles chemotherapy drugs without adequate protection and develops a blood disorder. These are not accidents. They are occupational diseases and repetitive stress injuries, and they are covered by New York workers’ compensation.
These claims are among the most underreported in the system. Workers often do not connect their condition to their employment, particularly when the condition develops gradually or when the symptoms do not appear until years after the exposure. Even workers who suspect a connection may not realize they have a legal right to benefits. This article explains how these claims work, what makes them different from traumatic injury claims, and what is required to establish them.
What makes occupational disease and repetitive stress claims different
In a traumatic injury case, the facts are usually straightforward. There is a specific date, a specific event, and a clear connection between the two. A worker falls on March 15 and breaks a wrist. The C-3 lists March 15 as the date of injury. The medical record documents a fractured wrist. The connection between the fall and the fracture is self-evident.
Occupational disease and repetitive stress claims do not work this way. There is no single date of injury. The condition developed over time, and the worker may not be able to identify when it began. The medical evidence must establish not just the diagnosis but the causal connection between the workplace exposure or activity and the condition. And because the condition developed gradually, the insurance carrier has more room to argue that it was caused by something other than work — aging, genetics, hobbies, prior injuries, or activities outside of employment.
These additional layers of complexity mean that occupational disease and repetitive stress claims require more thorough medical evidence, more careful attention to filing deadlines, and often more experienced legal guidance than straightforward accident claims.
Common occupational diseases in New York
Respiratory diseases are among the most common occupational diseases filed in New York. Asbestosis and mesothelioma result from inhaling asbestos fibers, and they can take decades to develop after the initial exposure. Silicosis results from inhaling crystalline silica dust, common in construction, demolition, stone cutting, and sandblasting. Occupational asthma can develop from exposure to chemical fumes, dust, mold, or other airborne irritants in manufacturing, cleaning, or agricultural settings.
Hearing loss from prolonged exposure to loud noise is another frequently filed occupational disease. Workers in construction, manufacturing, airport operations, and entertainment venues may experience gradual hearing deterioration that qualifies as a compensable occupational disease. The key is establishing that the hearing loss is attributable to workplace noise exposure rather than other causes.
Skin conditions caused by contact with industrial chemicals, solvents, adhesives, or biological agents can qualify. Infectious diseases contracted through workplace exposure — particularly relevant for healthcare workers, first responders, and laboratory personnel — are also compensable. Lead poisoning, chemical toxicity, and radiation-related conditions round out the category, though they are less common.
Common repetitive stress injuries
Carpal tunnel syndrome is the most widely recognized repetitive stress injury. It affects the median nerve in the wrist and is caused by repetitive hand and wrist motions — typing, scanning, operating hand tools, assembly work, and any task that requires sustained gripping, twisting, or flexing of the wrist. Symptoms include numbness, tingling, weakness in the hand, and pain that radiates up the forearm.
Chronic back conditions from repetitive lifting, bending, and twisting are extremely common among warehouse workers, delivery drivers, home health aides, and construction laborers. These conditions may present as muscle strain initially but can progress to disc herniation, spinal stenosis, or degenerative disc disease. The challenge is distinguishing the work-related component from age-related degeneration, which is exactly the argument the insurance carrier will make.
Shoulder impingements and rotator cuff injuries from overhead work affect painters, electricians, mechanics, and warehouse workers who repeatedly reach above shoulder height. Knee conditions from prolonged kneeling, squatting, or climbing affect flooring installers, plumbers, roofers, and HVAC technicians. Tendinitis and bursitis in various joints can develop from repetitive motions specific to any number of occupations.
No one is required to work in pain. If a condition developed because of what your job requires you to do, day after day, that condition may be compensable regardless of how gradually it appeared.
The medical evidence these claims require
The treating physician in an occupational disease or repetitive stress case must do more than diagnose the condition. The physician must establish a causal connection between the workplace exposure or activity and the diagnosis. This means the doctor needs to understand what the worker’s job duties actually involve — what physical motions are performed, how often, for how long, and under what conditions.
Be detailed with your doctor about your work. Do not just say “I work in construction.” Explain that you operate a jackhammer for six hours a day, five days a week, and have done so for eight years. Do not just say “I work at a desk.” Explain that you type on a keyboard approximately seven hours a day, that you use a mouse with your right hand, and that you have been doing this for twelve years. The specificity of the job description directly affects the strength of the causal connection your doctor can establish.
For occupational diseases involving toxic exposure, the doctor may need information about what substances the worker was exposed to, the duration and frequency of exposure, whether protective equipment was provided and used, and whether the workplace had adequate ventilation. This information may come from the worker, from Material Safety Data Sheets (now called Safety Data Sheets), or from workplace inspection reports.
Filing deadlines for occupational diseases and repetitive stress injuries
The filing deadlines for these claims are different from those for traumatic injuries, and the differences matter. The 30-day employer notification deadline begins when the worker knows or should know that the condition is related to work. In many cases, this is the date a doctor first tells the worker the condition may be work-related. Do not wait for a definitive diagnosis. Notify your employer on the possibility.
The two-year deadline to file the C-3 with the Workers’ Compensation Board may be calculated from the date of disablement — the date you first became unable to work because of the condition — or from the date of your last exposure to the workplace conditions that caused the disease. For diseases with long latency periods, like mesothelioma, the last exposure may have been decades ago, but the date of disablement may be recent.
These timing questions can be genuinely complex. Workers who suspect an occupational disease or repetitive stress condition should file the C-3 as soon as possible and not attempt to calculate the exact deadline on their own. File now. Let the legal and medical timeline be sorted out after the claim is on record.
How these claims are typically disputed
Occupational disease and repetitive stress claims are disputed more frequently than traumatic injury claims. The insurance carrier may argue that the condition is degenerative and age-related rather than work-related. The carrier may point to non-work activities — gardening, sports, hobbies — as alternative causes. The carrier may argue that the worker’s exposure was not sufficient to cause the diagnosed condition, or that the filing was untimely.
These disputes are resolved at hearings before Workers’ Compensation Law Judges, and they are decided on medical evidence. The treating physician’s opinion about causation is weighed against the opinion of the carrier’s Independent Medical Examination physician. The thoroughness of the treating physician’s analysis — including the detail of the occupational history, the specificity of the causal explanation, and the consistency of the clinical findings — directly affects the outcome.
How Schwartzapfel Holbrook handles occupational disease and repetitive stress claims
At Schwartzapfel Holbrook, we handle occupational disease and repetitive stress claims with particular attention to the medical evidence and the causal connection. That means reviewing the treating physician’s independent clinical findings for specificity and consistency, ensuring the occupational history in the medical record is detailed enough to support the causal opinion, and preparing to address the carrier’s alternative causation arguments at a hearing.
We also evaluate these cases for potential third-party claims. A worker exposed to a toxic substance may have a products liability claim against the manufacturer of the substance. A worker whose employer failed to provide adequate protective equipment may have a claim that extends beyond workers’ compensation. The injury type determines what avenues of recovery are available, and occupational disease cases often present more avenues than the worker initially realizes.
Schwartzapfel Holbrook / Fighting For You