Reviews warning signs of suicidal behavior & interview methods appropriate for diagnosing suicidal adolescents to offer counselors a framework for the prevention of teenage suicide. Verbalized feelings of discontent, a sense of unhappiness, individual stressors, loss of peer acceptance & familial factors can help identify potentially suicidal adolescents. Intervention in the form of individual & familial support may help prevent suicidal gestures & episodes. 18 refs.