All glossary terms
Payers & Insurance

Medical Loss Ratio (MLR)

Medical Loss Ratio (MLR) is the share of premium dollars an insurer spends on medical claims and quality improvement versus administration and profit. The Affordable Care Act requires minimum thresholds, generally 80 to 85 percent, with rebates owed when insurers fall short.

What is the Medical Loss Ratio (MLR)?

The Medical Loss Ratio (MLR) is a measure of how an insurer divides the premium dollars it collects, specifically the proportion spent on members' medical claims and on activities that improve care quality, as opposed to administrative overhead, marketing, and profit. A plan that pays out 85 cents of every premium dollar on care and quality has an MLR of 85 percent.

Under the Affordable Care Act, insurers must meet minimum MLR thresholds, generally 80 percent in the individual and small-group markets and 85 percent in the large-group market. When a plan falls below its threshold, it owes rebates to policyholders.

Why does MLR matter in healthcare?

MLR is a consumer-protection and transparency tool: it limits how much of a premium can flow to non-care expenses and forces insurers to return excess to enrollees. Because it ties an insurer's financial performance to actual spending on care, it influences how aggressively plans manage utilization and negotiate rates.

For providers, an insurer's MLR pressures sit upstream of the revenue cycle. Plans working to manage their loss ratios may tighten prior authorization, scrutinize claims more closely, or push for narrower networks, all of which ripple into how surgical services are approved and reimbursed.

Also searched as
  • mlr healthcare
  • what is medical loss ratio
  • medical loss ratio formula
  • mlr rebate
  • aca medical loss ratio
  • medical loss ratio meaning
Related in Payers & Insurance
Browse the full glossary