There are various synonyms for the term "diagnostic procedure" that one can use while referring to medical tests and evaluations. Some of the common ones include diagnostic evaluation, diagnostic test, diagnostic analysis, medical investigation, diagnostic exam, medical assessment, clinical analysis, medical checkup, medical diagnosis, and medical examination. All these terms have the same underlying meaning but are used in different contexts and situations. For example, a diagnostic procedure may refer to a thorough medical examination, while a diagnostic test may refer to a specific medical test or scan to diagnose a disease or condition. In sum, using these synonyms can help us avoid repetition and create more engaging and diverse medical writings.