Accounting for third parties; [ Administration of patient reimbursement programs; ] Administration, billing and reconciliation of accounts on behalf of others; Arranging of managed care contractual services in the fields of diagnostic imaging, home health care, durable medical equipment, specialty pharmacy, and diagnostic lab services; [ Billing; Business invoicing services; ] Business management and consultation in the field of health care; [ Business management and consulting services for the health care industry, namely, customer service, accounting services, and marketing services; Business management and consulting services for the health care industry, namely, customer service, accounting services, and web-based advertising and marketing services; ] Business management and consulting services for the health care industry, namely, providing industry expertise and supplier partnerships; Health care cost containment; Invoicing; Invoicing services; Invoicing services in the field of health care; [ Medical billing outsourcing services; Medical billing support services; Medical claims management services, namely, electronic re-pricing of physician, hospital, and ancillary medical care provider transactions via the global information network; Medical claims management services, namely, receiving, data entering, and re-pricing of transactions that are originated by physicians, hospitals, and ancillary medical care providers; ] Medical cost management; Vendor management services for healthcare facilities