Brief, Resolved, Unexplained Event

**Definition:** An event experienced by an infant or a child that is characterized by some combination of apnea, color change, change in muscle tone, choking, and gagging.

**Tree numbers:** - C08.618.846.600 - C23.888.248.500 - C23.888.852.700

**Synonyms:** - Apparent Life-Threatening Event - Idiopathic Apparent Life-Threatening Event - ALTE Apparent Life-Threatening Event - BRUE Brief, Resolved, Unexplained Event