Michigan Workers' Comp Covered Injuries: What's Compensable in 2026

Michigan workers' compensation covers personal injuries and occupational diseases arising out of and in the course of employment.

Coverage Standard

Arising out of employment: Causal connection between work and injury
In the course of employment: Injury occurred during work hours/duties
Both required: Must meet both tests

Types of Covered Injuries

Work Accidents

Examples:

• Slip and fall on workplace premises
• Lifting injury loading delivery truck
• Machinery accident during operation
• Motor vehicle crash while on delivery
• Falling object striking worker
• Chemical exposure causing burns

No-fault system: Covered even if worker was partially negligent

Repetitive Trauma

Cumulative injuries from repeated activities:

• Carpal tunnel syndrome from typing/assembly work
• Back strain from repeated lifting
• Rotator cuff tears from overhead work
• Hearing loss from prolonged noise exposure

Proof required: Medical evidence linking condition to work duties

Occupational Diseases

Diseases arising from employment conditions:

• Asbestosis, mesothelioma (construction, manufacturing)
• Silicosis (mining, sandblasting)
• Lung disease (chemical/dust exposure)
• Skin conditions (chemical handling)
• Respiratory conditions (toxic fumes)

Notice deadline: 2 years from knowledge of disease and work connection

Aggravation of Pre-Existing Conditions

Work aggravates prior injury or condition:

• Arthritis worsened by work duties
• Prior back injury re-aggravated
• Herniated disc from pre-existing degeneration

Compensable portion: Work-related aggravation/acceleration

Mental Disabilities

Michigan law requirements:

• Mental disability must arise from actual events (not perception)
• Greater weight of objective medical evidence required
• More difficult to prove than physical injuries

Examples:

• PTSD from workplace violence
• Depression from severe workplace harassment (actual, not perceived)

Not covered: Stress from lawful personnel decisions (discipline, demotion, termination)

Injuries NOT Covered

Intoxication

Exclusion: Injury solely from voluntary intoxication by alcohol or controlled substance Employer burden: Must prove intoxication was sole cause

Intentional Self-Injury

Exclusion: Suicide or intentional self-inflicted injury Exception: If mental condition arose from compensable injury

Assault by Co-Worker

Generally covered: If assault arose from work dispute Not covered: If assault from personal dispute unrelated to work

Horseplay

Generally not covered: Unless initiated by employer or customary/tolerated Case-by-case analysis

Going and Coming Rule

General rule: Commuting injuries not covered Exceptions:

• Paid travel time
• Special errand for employer
• Employer-provided transportation
• Traveling employee

Idiopathic Falls

Rule: Fall from condition personal to employee (dizziness, seizure) not covered Exception: If employment increased risk (falling from height onto dangerous machinery)

Burden of Proof

Worker's burden: Prove injury arose out of and in course of employment Standard: More likely than not (preponderance of evidence) Evidence: Medical records, witness testimony, accident reports

FAQs

Q: Are stress injuries covered in Michigan? A: Mental disabilities are covered if arising from actual workplace events and supported by objective medical evidence. Stress from lawful personnel decisions is excluded.

Q: What if I have a heart attack at work? A: Covered if work activities or conditions contributed. Must prove more than mere presence at work.

Q: Are COVID-19 infections covered? A: Depends on exposure risk. Healthcare workers and others with high occupational exposure may be covered.

Q: Can I claim for an injury that happened weeks ago? A: Yes, if within 2-year statute and you can prove work-relatedness.

Q: What about injuries during company events? A: Depends if participation was required or encouraged by employer and event served employer's purpose.

Related Topics

• Filing a Michigan Workers' Comp Claim
• Michigan Workers' Comp Benefits
• Michigan Workers' Compensation Overview

Last updated: January 5, 2026