Decreasing Reimbursement of Pituitary Tumor Surgery: An Analysis of Medicare Data From 2010 to 2020.

Abstract

Despite the extensive amount of research aimed at comparing patient outcomes between microscopic transsphenoidal surgery (MTSS) and endoscopic transsphenoidal surgery (ETSS) approaches, there has been relatively little recent investigation into the nationwide utilization and reimbursement trends of both techniques. This study aimed to identify trends in pituitary tumor surgery utilization, charges to Medicare, and reimbursement dependent on (1) MTSS/ETSS surgery type, (2) provider type (ie, neurosurgeon vs ear, nose, and throat), and (3) cosurgery status. This study used publicly available data from the Medicare Physician/Supplier Procedure Summary for the years 2010-2020. Linear regression was used to quantify temporal trends for submitted service counts, submitted charges, reimbursements, and reimbursement-to-charge across the 2010-2020 period. Regarding service count trends from 2010 to 2020, our results demonstrate a significant increase in ETSS utilization ( = 1.55, CI = 0.99-2.12, P < .001), a significant decrease in MTSS utilization ( = -0.86, CI = -1.21 to -0.51, P < .001), a significant increase in services submitted by otolaryngologists ( = 0.59, CI = 0.24-0.93, P = .0040), and a significant increase in cosurgeries ( = 1.03, CI = 0.24-0.93, P = .0051). Importantly, our results also demonstrated a significant decrease in reimbursements for ETSS procedures ( = -12.74, CI = -22.38 to -3.09, P = .015) and for pituitary tumor surgeries submitted by neurosurgeons specifically ( = -41.56, CI = -51.67 to -31.63, P < .0001). Our results demonstrated a significant increase in ETSS utilization and a significant decrease in MTSS utilization. We also noted a significant decrease in reimbursements for ETSS procedures and among procedures submitted by neurosurgeons specifically. We hope that our study highlights nationwide utilization and reimbursement patterns that may be useful for guiding future reimbursement-oriented policy development.