role describes how the test, used for a specific clinical purpose, will be
positioned to alter the existing clinical pathway in a specific condition or
When a new test replaces an existing test in the testing pathway.
When the new test is used before the existing test or testing pathway, and
only patients with a particular result on the triage test continue on the
When a new test is added to the existing testing pathway, either to help
interpreting results of analyses when establishing a diagnosis or to assist
replacing CK-MB as a biomarker of myocardial damage. CRP replacing
erythrocyte sedimentation rate as marker of acute inflammation.
peptides before echocardiography for congestive heart failure
for typing is added when monoclonal gammopathy is found on serum protein
electrophoresis. HbA1c monitoring together with self-monitoring of blood
glucose in managing Type 1 diabetes patients