Nursing home billing involves the billing and coding process for medical services provided in long-term care facilities for elderly or disabled individuals. It includes tasks such as capturing patient information, accurately assigning medical codes for services rendered in the nursing home, and submitting claims to insurance companies or government programs for reimbursement. Nursing home billing requires expertise in coding guidelines for long-term care services, understanding of insurance policies, and compliance with regulatory requirements to ensure proper reimbursement and optimize revenue for nursing home facilities.