Washington Miscellaneous Services Billing Manual is a comprehensive guide for health care providers and other service providers in Washington state to correctly bill and receive payment for miscellaneous services. The manual provides specific guidance on proper coding, billing, and reimbursement for a variety of services, such as laboratory, imaging, supplies, and professional services. It also explains the requirements for electronic and paper claims processing for miscellaneous services, as well as coverage and reimbursement policies. The manual is divided into two parts: General Billing Instructions and Miscellaneous Services Billing Instructions. The General Billing Instructions provide detailed instructions on how to submit claims for Medicaid, Medicare, and other third-party payers. The Miscellaneous Services Billing Instructions provide information on how to bill and receive payment for miscellaneous services not covered by the General Billing Instructions.