What is the definition of Yellow in triage categories?

• A. Not urgent.
• B. Immediate life-threatening.
• C. Low acuity of illness/injury.
• D. Serious, but not critical.

Answer: (D)

In triage, colors map to how quickly a patient needs care. Yellow means the person is urgent but not in immediate danger of dying. They have a serious condition that could worsen if untreated, so they require timely treatment but can wait a short while while more critical cases are addressed. That’s why the best description is “Serious, but not critical.” Not urgent aligns with green, immediate life-threatening with red, and low acuity is a minor condition, rather than a serious one needing prompt attention.