Indication

**Semantic type:** Functional Concept

**Definition:** A sign, signal, circumstance, or symptom which serves to indicate or point out the cause, pathology, treatment, or issue of an attack of disease; the basis for initiation of a treatment for a disease or of a diagnostic test (causal, or symptomatic, or disease-specific indication).

**Synonyms:** - Disease/Condition Indication - INDC - indication - indication