How accurate are PayerLenz's reimbursement benchmarks?

“PayerLenz's benchmarks are estimates, not guarantees. Each benchmark is marked Tight or Wide, so you can see how much the claims behind it agreed, with the trust score one click away in the detailed view, drawn from adjudicated claims across 250 payer groups in 20 states and growing, from a pool of 500,000+ adjudicated claims.”