What does ‘Occupational Disease’ Mean in Illinois?

Glossary Check

How does Illinois define "occupational disease" under the state's Workers' Compensation Act? With some help from Simply Research, we take a look.

Occupational Disease

In Illinois, the term "occupational disease" means a disease arising out of and in the course of the employment or which has become aggravated and rendered disabling as a result of the exposure of the employment. Such aggravation shall arise out of a risk peculiar to or increased by the employment and not common to the general public.

Arising Out Of

A disease shall be deemed to arise out of the employment if there is apparent to the rational mind, upon consideration of all the circumstances, a causal connection between the conditions under which the work is performed and the occupational disease. The disease need not to have been foreseen or expected but after its contraction it must appear to have had its origin or aggravation in a risk connected with the employment and to have flowed from that source as a rational consequence.

Exposed to Hazards

An employee shall be conclusively deemed to have been exposed to the hazards of an occupational disease when, for any length of time however short, he or she is employed in an occupation or process in which the hazard of the disease exists; provided however, that in a claim of exposure to atomic radiation, the fact of such exposure must be verified by the records of the central registry of radiation exposure maintained by the Department of Public Health or by some other recognized governmental agency maintaining records of such exposures whenever and to the extent that the records are on file with the Department of Public Health or the agency.

Vaccines

Any injury to or disease or death of an employee arising from the administration of a vaccine, including without limitation smallpox vaccine, to prepare for, or as a response to, a threatened or potential bioterrorist incident to the employee as part of a voluntary inoculation program in connection with the person's employment or in connection with any governmental program or recommendation for the inoculation of workers in the employee's occupation, geographical area, or other category that includes the employee is deemed to arise out of and in the course of the employment.

Which Employer?

The employer liable for workers' compensation shall be the employer in whose employment the employee was last exposed to the hazard of the occupational disease claimed upon regardless of the length of time of such last exposure, except, in cases of silicosis or asbestosis, the only employer liable shall be the last employer in whose employment the employee was last exposed during a period of 60 days or more after the effective date of the act, to the hazard of such occupational disease, and, in such cases, an exposure during a period of less than 60 days, after the effective date of the act, shall not be deemed a last exposure. If a miner who is suffering or suffered from pneumoconiosis was employed for 10 years or more in one or more coal mines there shall, effective July 1, 1973 be a rebuttable presumption that his or her pneumoconiosis arose out of such employment.

Miners

If a deceased miner was employed for 10 years or more in one or more coal mines and died from a respirable disease there shall, effective July 1, 1973, be a rebuttable presumption that his or her death was due to pneumoconiosis.

Firefighters, EMTs

Any condition or impairment of health of an employee employed as a firefighter, emergency medical technician (EMT), emergency medical technician-intermediate (EMT-I), advanced emergency medical technician (A-EMT), or paramedic which results directly or indirectly from any bloodborne pathogen, lung or respiratory disease or condition, heart or vascular disease or condition, hypertension, tuberculosis, or cancer resulting in any disability (temporary, permanent, total, or partial) to the employee shall be rebuttably presumed to arise out of and in the course of the employee's firefighting, EMT, EMT-I, A-EMT, or paramedic employment and, further, shall be rebuttably presumed to be causally connected to the hazards or exposures of the employment. This presumption shall also apply to any hernia or hearing loss suffered by an employee employed as a firefighter, EMT, EMT-I, A-EMT, or paramedic. However, this presumption shall not apply to any employee who has been employed as a firefighter, EMT, EMT-I, A-EMT, or paramedic for less than 5 years at the time he or she files an Application for Adjustment of Claim concerning this condition or impairment with the Illinois Workers' Compensation Commission. The rebuttable presumption established under this subsection, however, does not apply to an emergency medical technician (EMT), emergency medical technician-intermediate (EMT-I), advanced emergency medical technician (A-EMT), or paramedic employed by a private employer if the employee spends the preponderance of his or her work time for that employer engaged in medical transfers between medical care facilities or non-emergency medical transfers to or from medical care facilities. The changes made to this subsection by this amendatory Act of the 98th General Assembly shall be narrowly construed. The Finding and Decision of the Illinois Workers' Compensation Commission under only the rebuttable presumption provision of this paragraph shall not be admissible or be deemed res judicata in any disability claim under the Illinois Pension Code arising out of the same medical condition; however, this sentence makes no change to the law set forth in Krohe v. City of Bloomington, 204 Ill.2d 392.

Which Insurance Carrier?

The insurance carrier liable shall be the carrier whose policy was in effect covering the employer liable on the last day of the exposure rendering such employer liable in accordance with the provisions of the act.

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