Temporary Total Disability (TTD) Benefits in Illinois
If a work injury prevents you from working, Illinois law entitles you to TTD benefits — wage replacement payments while you recover. Here’s how they work.
What Are TTD Benefits?
Temporary Total Disability (TTD) benefits are weekly wage replacement payments paid to injured Illinois workers who are completely unable to work due to a work-related injury. If your doctor has taken you completely off work — or placed you on restrictions that your employer cannot accommodate — you are generally entitled to TTD benefits under Illinois workers’ compensation law.
TTD benefits continue until one of three things happens: you return to work, your doctor releases you with restrictions your employer can accommodate, or you reach maximum medical improvement (MMI) — meaning your condition has stabilized and is unlikely to improve further with treatment.
“Insurance companies have strong financial incentives to cut off TTD benefits early. Know the rules so you can protect your income while you recover.”
How Is the TTD Rate Calculated?
In Illinois, TTD benefits are calculated at two-thirds (66.67%) of your average weekly wage (AWW) at the time of your injury, subject to a maximum amount set by the state each year. Your average weekly wage is typically calculated based on your earnings during the 52 weeks prior to your injury.
The calculation sounds straightforward, but disputes over average weekly wage are common — especially for workers who earn overtime, bonuses, or variable pay. Making sure your AWW is calculated correctly is one of the most important steps in protecting the value of your TTD benefits.
When TTD Benefits Can Be Cut Off
Return to full duty — If you return to your regular job without restrictions, TTD ends.
Light duty offered and accepted — If your employer offers work within your medical restrictions and you accept, TTD ends.
Maximum Medical Improvement (MMI) — Once your doctor determines your condition has stabilized, TTD ends even if you’re not fully recovered.
Refusal of reasonable treatment — Refusing recommended medical treatment without good cause can jeopardize your TTD benefits.
Return to work elsewhere — If you take a job elsewhere while on TTD, benefits may be reduced or terminated.
What If the Insurance Company Cuts Off Your TTD?
Insurance companies sometimes suspend TTD benefits without proper justification — claiming you’ve reached MMI based on their own doctor’s opinion, or arguing you refused a valid light duty offer. If your TTD benefits are cut off and you believe it’s improper, you have the right to challenge that decision before the Illinois Workers’ Compensation Commission.
Acting quickly matters. Delays in challenging a wrongful termination of TTD benefits can make it harder to get them reinstated and can affect the overall value of your case. Keep all documentation of your medical restrictions and any communications from the insurance company.
Light Duty and Partial Benefits
If your employer offers you a light duty position within your medical restrictions but at a lower wage than your pre-injury job, you may be entitled to Temporary Partial Disability (TPD) benefits — which make up a portion of the wage difference. Understanding the distinction between TTD and TPD is important when navigating a return-to-work situation.