Diagnosis

Tests are used to help establish or exclude the presence of disease in symptomatic persons.

Tests assist in early diagnosis after onset of symptoms and signs; others assist in developing a differential diagnosis;

others help determine the severity, activity, or stage of disease.

Reference

1. Nicoll C, Lu C. Decision Making. In: Nicoll D, Mark Lu C, McPhee SJ. eds. Guide to Diagnostic Tests, 7e. McGraw-Hill Education; 2017. Accessed July 10, 2024. https://accessmedicine-mhmedical-com.usu01.idm.oclc.org/content.aspx?bookid=2032&sectionid=152254676