35 Business administration and business consulting services in the fields of capturing patient medical insurance and demographic information, patient scheduling, patient registration, insurance and financial pre-authorizations and clearance, payment estimation, and patient pre-service collections; business administration and business consulting services in the field of medical billing by healthcare systems; business administration and business consulting services in the fields of health information management, accurate and compliant coding of health insurance claims, submission of health insurance claims, systems and procedures used in the collection, analyzing, storing, protecting, and releasing of health information, and ensuring the quality of clinical documentation to accurately code and submit a claim; business administration and business consulting services for healthcare providers and healthcare businesses in the fields of medical billing for healthcare systems, accounts receivable management, payer follow-up processes, self-pay account management, claim review, remittance processing, and reconciliation processes to support business office operations; operation of telephone call centers for public health authorities in the fields of contact tracing and vaccine-related communications by public health authorities