ICD-10-CM > Z00-Z99 > Z00-Z13 > Z01 > Z01.8 > Z01.81 Z01.81 Encounter for preprocedural examinations Non-Billable/Non-Specific Applicable To Encounter for preoperative examinationsEncounter for radiological and imaging examinations as part of preprocedural examination Codes Z01.810Encounter for preprocedural cardiovascular examinationZ01.811Encounter for preprocedural respiratory examinationZ01.812Encounter for preprocedural laboratory examinationZ01.818Encounter for other preprocedural examination