Diagnostic Procedure Any procedure or test to diagnose a disease or disorder. C0430022 Diagnostic Test Other diagnostic procedures on breast Diagnostic Procedure A specific test or series of steps done to help diagnose a disease or condition. Mammograms and colonscopies are examples of diagnostic procedures. diagnostic technique Diagnostic Method Diagnostic Technique CTRP Diagnostic_Procedure C18020 Diagnostic Procedure Diagnostic Procedure diagnostic procedure Diagnostic Procedure Other diagnostic procedures on rectum, rectosigmoid and perirectal tissue NICHD Diagnostic Procedure medical intervention