https://www.cms.gov/data-research/monitoring-programs/medicare-fee-service-compliance-programs/medical-review-and-education/master-list-dmepos-items-potentially-subject-conditions-payment/l5535
L5535 | CMS
Description: Preparatory, below knee 'PTB' type socket, non-alignable system, no cover, Sach foot, refabricated, adjustable open-end socket
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