Immunology billing involves the billing and coding process for medical services related to the study and treatment of the immune system. It includes tasks such as capturing patient information, assigning accurate medical codes specific to immunological procedures and tests, and submitting claims to insurance companies for reimbursement. Immunology billing requires expertise in coding guidelines for immunological diagnoses and treatments, understanding of insurance policies, and compliance with regulatory requirements. Efficient immunology billing practices are essential for healthcare providers to receive proper reimbursement and optimize revenue in immunology practices.