Notes that older persons underuse community-based and outpatient mental health services, yet are overrepresented in inpatient facilities. Argues for increased programing targeted for elderly client. Advocates use of multimodal model as efficient method of service delivery and provides sample case study using BASIC ID (Behavior, Affect, Sensation, Imagery, Cognition, Interpersonal Relationships, and Diet/Drugs) approach. (Author/NB)