ArticleClinical spine surgery2025
Immediate Procedure Reimbursement, 30-Day and 90-Day Episode Payments are Lower in Ambulatory Surgery Centers Versus Hospital Outpatient Departments for Lumbar Laminectomy.
Article in Clinical spine surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
STUDY
designRetrospective cohort study.
objectiveThe primary objective was to compare the immediate procedure reimbursement between ambulatory surgery centers (ASCs) and hospital outpatient departments (HOPDs) for single-level and multilevel lumbar laminectomies in commercially insured patients. The secondary objectives were to compare (1) patient out-of-pocket expenditures and surgeon-specific reimbursement and (2) 30-day and 90-day episode payments between the surgery settings. SUMMARY OF BACKGROUND DATA: Lumbar laminectomy is a common treatment for lumbar spine pathology, with cases increasing annually in outpatient settings. However, there is no clear consensus on financial savings related to ASCs versus HOPDs for these procedures.
methodsThe Merative MarketScan Commercial Claims and Encounters Database identified lumbar laminectomies performed at an ASC or HOPD in patients aged 18-64. Immediate procedure reimbursement, surgeon reimbursement, and 30-day and 90-day payments were constructed from gross payments; corresponding patient out-of-pocket expenditures were extracted. Multivariable regression models estimated adjusted between-setting mean differences and 95% confidence intervals.
resultsAfter matching, the single-level cohort included 699 patients (36.9% ASCs), and the multilevel cohort included 694 patients (36.0% ASCs). In multivariable models, the adjusted mean of immediate procedure reimbursement was lower for ASCs (single-level: -$2492, P=0.001; multilevel: -$5629, P<0.001). Surgeon reimbursement was higher for single-level procedures in ASCs ($911, P<0.001). Payments were lower for ASCs in the 30-day period (single-level: -$4354, P<0.001; multilevel: -$7781, P<0.001) and 90-day period (single-level: -$3757, P<0.001; multilevel: -$8465, P<0.001).
conclusionsImmediate procedure reimbursement, 30-day and 90-day payments were lower for ASCs versus HOPDs. Surgeon reimbursement was higher in ASCs for single-level while no difference was observed for multilevel procedures. These findings highlight the potential for savings from performing lumbar laminectomies in ASCs versus HOPDs for commercially insured patients. LEVEL OF EVIDENCE: Level III.
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