The Billing Specialist regularly collaborates with other accounting departments, including Electronic Billing, Accounts Receivable, Cash Applications, Pricing, Financial Terms Management, Accounts Payable, and Revenue Management, escalating complex or high-stakes billing issues to the Senior Billing Specialist or Billing Manager as needed. Maintains invoice support documentation, electronic submissions and appeals, and unallocated balance records as directed, updates billing fields as needed to keep records current, updates work-in-progress notes as part of regular billing recordkeeping, and maintains clear and current billing preference notes.