13.1 Workers Compensation Statutory Background and Benefits

Key Takeaways

  • Workers' comp is a no-fault, state-mandated system; the exclusive-remedy bargain trades the right to sue for guaranteed benefits.
  • The four benefit categories are medical (100%, no cap, no waiting period), disability (66⅔% of AWW), death (plus a burial allowance), and rehabilitation.
  • Disability classes are TTD, TPD, PPD, and PTD; PPD splits into scheduled (fixed weeks per body part) and non-scheduled (loss of earning capacity).
  • Wage benefits begin after a 3–7 day waiting period; MMI ends temporary benefits and triggers a permanent impairment rating.
  • Coverage thresholds vary by state (1+ in CA/NY, always 1 for construction); Texas is the only state where coverage is optional.
Last updated: June 2026

What Workers' Compensation Is

Workers' compensation is a state-mandated insurance system that pays defined benefits to employees who suffer a work-related injury or occupational disease. It is a no-fault system: the employee does not have to prove the employer was negligent, and the employer cannot defeat the claim by showing the employee was careless.

The whole system rests on the exclusive remedy bargain (the early-1900s "grand bargain"): in exchange for prompt, guaranteed benefits, the worker gives up the right to sue the employer in tort for pain and suffering. Carelessness by either side is irrelevant to whether benefits are owed.

Quick Answer: Workers' comp pays an injured worker's medical bills and a portion of lost wages without anyone proving fault. The worker surrenders the right to sue the employer; the employer gains immunity from tort suits — except in narrow situations covered later in this unit.

The No-Fault Trade-Off

Employee SurrendersEmployee Gains
Right to sue employer for negligenceGuaranteed benefits, no fault proof needed
Possibility of large jury awards (pain & suffering)Prompt, predictable medical and wage payments
Open-ended litigationA statutory schedule of benefits

Because it is no-fault, a worker is paid even when the injury was the worker's own ordinary or gross carelessness. The classic trap: "The employee caused the accident, so the claim is denied." Wrong — only the narrow conduct exclusions (intoxication as proximate cause, intentional self-harm, initiated horseplay — see 13.5) bar a claim.

Who Must Carry Coverage

Thresholds are set by each state by employee count, industry, and entity type. Construction is almost always 1 employee.

ThresholdRepresentative States
1+ employeesCA, CT, MA, NY, and all states for construction
3+ employeesNC, VA, NJ
4+ employeesSC, FL (non-construction), GA (non-construction)
5+ employeesMO (non-construction)
OptionalTX (only state — except government contractors)

Failing to carry required coverage strips the employer of exclusive remedy and exposes it to direct negligence suits plus criminal penalties (e.g., California up to one year jail and fines to $100,000; New York fines of $2,000 per ten days uninsured; Pennsylvania a third-degree felony).

The Four Benefit Categories

Every state act pays through four buckets. Memorize them — they recur throughout the exam.

1. Medical Benefits

  • 100% of reasonable and necessary treatment for the work injury
  • No dollar cap, no deductible, no copay to the worker
  • No waiting period — owed from the moment of injury
  • Covers hospitalization, surgery, prescriptions, physical therapy, prosthetics, durable medical equipment

2. Disability (Wage Replacement)

The standard wage rate is 66⅔% (two-thirds) of the Average Weekly Wage (AWW), subject to a state weekly maximum and minimum. Four classes:

ClassMeaningTypical Duration
Temporary Total (TTD)Cannot work at all, recovery expectedUntil return to work or MMI
Temporary Partial (TPD)Can do reduced/light-duty workUntil full recovery or MMI
Permanent Partial (PPD)Lasting impairment, can still workPer impairment rating / schedule
Permanent Total (PTD)Cannot work at any job, permanentlyOften for life

3. Death Benefits

  • Wage benefit (commonly 66⅔% of AWW) to surviving dependents — spouse until death or remarriage, children until 18 (later if in school)
  • A burial/funeral allowance, commonly $5,000–$10,000 by state

4. Rehabilitation

  • Medical rehabilitation: therapy and equipment to restore function
  • Vocational rehabilitation: retraining, tuition, and job placement

Calculating the Wage Benefit

Average Weekly Wage (AWW) is total gross earnings over the statutory look-back (often 13 or 52 weeks) divided by the number of weeks. It includes overtime, bonuses, tips, vacation pay, and certain allowances.

Worked Example — TTD:

  • AWW = $1,500
  • Benefit = $1,500 × 66⅔% = $1,000/week

Worked Example — TPD (light duty):

  • Pre-injury AWW = $1,500; current light-duty earnings = $900
  • Wage loss = $600; benefit = $600 × 66⅔% = $400/week

Note: Comp wage benefits are non-taxable, so two-thirds of gross often nearly equals prior take-home pay — which is why the system discourages malingering.

Waiting period: wage benefits begin only after a 3–7 day waiting period (state-specific); medical has none. If disability lasts past the retroactive trigger (commonly 14–21 days), the carrier pays the waiting-period days back to day one.

Scheduled vs. Non-Scheduled & MMI

PPD awards split into two methods — a frequent exam distinction:

TypeHow It PaysExample
ScheduledFixed weeks set by statute for a named body part, paid even if the worker loses no wagesLoss of a hand = a set number of weeks
Non-scheduledBased on % loss of earning capacity / whole-person impairmentBack or head injury rated by a physician

Maximum Medical Improvement (MMI) is the point at which the condition stabilizes and no further material recovery is expected. MMI does not mean full recovery; it ends temporary (TTD/TPD) benefits and triggers a permanent impairment rating and possible PPD/PTD. State markers vary — New York presumes MMI by about 130 weeks; Texas ends temporary income benefits at MMI or 104 weeks, whichever is first.

Test Your Knowledge

An employee carelessly ignores a posted warning and is injured operating a machine. The employer was not negligent. How does workers' compensation respond?

A
B
C
D
Test Your Knowledge

An employee with an Average Weekly Wage of $900 is placed on temporary total disability. The state pays the standard two-thirds rate (ignore the state maximum). What is the weekly benefit?

A
B
C
D