Disease Marker

**Semantic type:** Indicator, Reagent, or Diagnostic Aid

**Definition:** Specific molecular signature of disease, physiological measurement, genotype structural or functional characteristic, metabolic changes, or other determinant that may simplify the diagnostic process, make diagnoses more accurate, distinguish different causes of disease, or enable physicians to make diagnoses before symptoms appear and to track disease progression.

**Synonyms:** - Marker, Disease - Markers, Disease