Iowa measures workers comp disability by loss of earning capacity, not just medical impairment. Use the 2026 Iowa calculator to estimate TTD, industrial disability PPD, and learn about alternate care rules.
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| Category | Iowa (IA) Rule |
|---|---|
| System type | Exclusive remedy, no-fault. Employers with 1+ employees must carry coverage. |
| TTD benefit rate | 80% of spendable weekly earnings (after estimated taxes). Based on SAWW. Set annually by Iowa WC Commissioner. Verify at iowaworkcomp.gov. |
| Waiting period | 3 days. If disability exceeds 14 days, the first 3 days are paid retroactively. |
| PPD method | Industrial disability doctrine: functional impairment + age, education, qualifications, experience, and earning capacity. |
| Notice to employer | 90 days from injury (longest in U.S.). |
| Claim filing deadline | 2 years for benefits; 3 years for additional benefits (Iowa Code 85.26). |
| Doctor choice | Employer selects. Worker can petition for alternate care through the Commissioner. |
| Settlement type | Settlement agreements filed with Iowa WC Commissioner. |
| Unique rule | Industrial disability doctrine: PPD measures overall earning-capacity loss (age, education, skills), not just medical impairment. 80% of spendable weekly earnings. 90-day notice period (longest in US). Employer-directed medical with alternate care petition right. |
Iowa's workers compensation system uses industrial disability, fundamentally different from impairment-rating systems used by most states. In most states, PPD is calculated primarily from the medical impairment rating. In Iowa, the medical rating is only one factor in a broader evaluation of overall earning-capacity loss.
Under the industrial disability doctrine, the Commissioner considers: (1) functional impairment, (2) age, (3) education level, (4) qualifications and skills, (5) work experience, and (6) ability to engage in employment for which the worker is reasonably fitted. The same medical impairment produces different PPD awards for different workers.
A 55-year-old laborer with a 15 percent back impairment who cannot return to heavy work will typically receive a much larger PPD award than a 30-year-old office worker with the same impairment. This is the opposite of a pure impairment-rating system where both would receive the same award.
Iowa calculates TTD at 80 percent of spendable weekly earnings. Spendable earnings are calculated by subtracting estimated federal and Iowa state income taxes from gross weekly wages. The maximum is set annually by the Commissioner based on a SAWW formula.
The waiting period is 3 days, retroactive if disability exceeds 14 days. Medical treatment is covered from day one.
Iowa has the longest employer notification period in the nation: 90 days to notify the employer, compared to 4-30 days in most states. This extended window provides extra time for injuries that may not be immediately apparent.
Iowa PPD differs for scheduled (arms, legs, hands, feet) vs. unscheduled (back, neck, head) injuries. Scheduled injuries use functional loss percentage multiplied by statutory weeks and weekly rate.
For unscheduled injuries, the full industrial disability analysis applies. The Commissioner evaluates functional impairment, age, education, qualifications, experience, and future employability. The resulting industrial disability percentage may be significantly higher than the medical impairment rating. This percentage applies to 500 weeks maximum under Iowa Code 85.34.
Example: A 20 percent medical impairment may yield a 45 percent industrial disability rating for an older, less-educated laborer. That translates to 225 weeks of benefits at the weekly rate. The gap illustrates why Iowa PPD awards can be substantially higher than in impairment-rating states.
Iowa settlements are filed with the Commissioner. Because industrial disability makes PPD unpredictable, both sides may prefer settlement to avoid hearing uncertainty.
Iowa's medical treatment is employer-directed: the employer selects the physician. The worker can petition for alternate care through the Commissioner to authorize a different physician or treatment plan. This provides a check on employer-directed care.
Disputes go to a Deputy Commissioner hearing. Decisions are appealable to the Commissioner, then Iowa District Court and Supreme Court. A Compliance Administrator handles late-payment penalties and coverage violations.
Iowa's employer-directed medical care system means the employer selects the treating physician, which can create tension when the worker believes the selected physician is not providing adequate treatment. Iowa addresses this through the alternate care petition process, which allows the worker to request the Workers' Compensation Commissioner to authorize a different physician or treatment plan.
To obtain alternate care, the worker must demonstrate that the current treatment is not reasonable or necessary, or that the worker is not receiving effective treatment for the work injury. The Commissioner evaluates the medical evidence and determines whether alternate care should be authorized. If approved, the employer must pay for the alternate physician's treatment.
The alternate care process creates a meaningful check on employer-directed care without allowing unlimited physician shopping. Workers cannot simply choose any doctor, but they have a formal mechanism to challenge inadequate treatment. This process has produced significant case law in Iowa, with the Commissioner establishing standards for when alternate care should be granted.
Iowa's 90-day notice period (the longest in the nation) reflects a policy recognition that some work injuries are not immediately apparent. Repetitive strain injuries, occupational diseases, and conditions that develop gradually may not manifest clear symptoms for weeks or months. The extended notice period provides injured workers with additional time to recognize that a condition is work-related and to notify the employer. However, workers should still report injuries as early as possible, because delays in reporting can complicate the evidentiary record and create questions about whether the condition is truly work-related.
TTD: 80% of spendable weekly earnings (after estimated taxes)
Iowa measures PPD by overall earning-capacity loss: functional impairment, age, education, qualifications, experience, and employability. The result can significantly exceed medical impairment alone.
80% of spendable weekly earnings (after federal+state tax), compared to most states' 66 2/3% of gross.
Iowa is employer-directed. The employer selects the physician. You can petition for alternate care.
90 days, the longest notification period in the nation. Most states require 4-30 days.
2 years for benefits; 3 years for additional benefits beyond those received (Iowa Code 85.26).
Scheduled injuries use functional-loss percentage x statutory weeks. Unscheduled injuries use the full industrial disability analysis.
If unsatisfied with employer-selected treatment, you can petition the Commissioner for a different physician or treatment plan.
No. Consult a licensed attorney in Iowa for legal advice.