The Customer Service Representative 3 (H) receives, reviews, and addresses a variety of inquiries, including complaints, requests for information and/or service, etc., and follows up on customer concerns via face-to-face, email, fax, telephone, and/or regular mail. Verifies the availability of all required material requisitions-including orders and file room requests-prior to initiating the approval process for sendouts to ensure workflow readiness and avoid delays in test processing.