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Stop-loss coverage – how it works

Jul 10, 2026 1 minute read
Two women in business attire sit in front of a laptop while looking over printouts.
The TPA’s role in administering a self-funded plan

Stop-loss insurance protects the self-insured employer against “shock claims” – catastrophic claims that can drain the employer’s self-funding  reserves and put the plan at risk. Stop-loss coverage reimburses an  employer for claims above the threshold established in the insurance policy. 

There are two types of stop-loss insurance: 

  • Individual stop-loss insures against any individual’s claims exceeding a certain deductible amount in a particular year. For example, the stop-loss policy may cover expenses incurred by any individual in excess of $150,000.
Bar chart of coverage.
  • Aggregate stop-loss insures against claim costs for the plan as a whole that exceed a certain amount (called the “attachment point”). For example, an employer may purchase insurance that reimburses the plan for claims in excess of 125% of the expected plan costs for the year.
Bar chart of aggregate coverage.