Understands and adheres to the WPH Performance Standards, Policies and Behaviors. Review and confirmation of all Outreach Laboratory requisitions for appropriate diagnosis coding. Enters appropriate ICD-10 diagnosis codes in the HIS. Coordinate contacts with physician offices for diagnosis and/or ICD-10 codes if not provided on the referring prescription. Documents phone conversation with physician's office according to Medicare guidelines. Assists MLW Billing Liaison with patient/client follow-up. Consult with Client Service Rep on client ICD-9 coding education issues. Assists with Outreach Laboratory Registrations as the need arises. Performs other duties as assigned.