Webour site features the latest code list with over 97,200 diagnosis codes and 79,400 procedure codes, all sourced from the centers for medicare and medicaid services (cms). Search in a particular fiscal year update to find the right code for a specific date of service. Z02 encounter for administrative examination. Z02. 0 encounter for examination for admission to educational institution. Webdiagnostic coding and reporting guidelines for outpatient services. Present on admission reporting guidelines. These guidelines are a set of rules that have been developed to.