Laboratoriummarkers
Laboratoriummarkers are measurable substances in biological samples that indicate biological states, processes, or responses to interventions. They are used to aid diagnosis, prognosis, treatment selection, and monitoring across medicine and research.
Markers can be endogenous, such as proteins, metabolites, nucleic acids, or cells produced by the body, or
Laboratory measurement employs a range of analytical methods, including immunoassays, enzymatic tests, chromatography, spectrometry, and nucleic
Examples of well-known laboratory markers include troponin for myocardial injury; HbA1c for long-term glucose control; lipid
Limitations of laboratory markers include potential false positives or negatives, biological variability, and interference from medications