IntroductionIn medical billing, documentation is a key component to ensure that the services and equipment provided to patients are appropriately billed and covered by insurance. One important type of documentation is the Standard Written Order, commonly referred to as SWO. But what exactly is an SWO, and why is it so important in medical billing?What is SWO?An SWO or Standard Written Order, is a detailed, written prescription or order from a physician or other qualified healthcare provider, typically used when billing for Durable Medical Equipment (DME), supplies, or prosthetics. It ensures that a patient is authorized to receive specific medical supplies or equipment, and it also provides the necessary details for billing purposes.Why is SWO Important?The Centers for Medicare & Medicaid Services (CMS) mandates that an SWO be completed for DME and other related services to ensure proper documentation before claims are submitted.Components of an SWOAn SWO must include specific elements to be considered valid for billing:1. Patient’s Name:Full name of the patient receiving the equipment or supplies.2. Order Date:The date the order is written by the healthcare provider.3. Description of Items or Services:A detailed description of the DME or supplies being ordered, including specifics like brand or model, if necessary.4. Provider Information:Full name and signature of the physician or healthcare provider writing the order.5. Quantity and Frequency:The amount of equipment or supplies needed and how often they should be used or replaced.