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Avoidant/restrictive food intake disorder (ARFID) is a feeding and eating disorder with evidence for distinct but overlapping presentations characterized by avoidance of eating or narrow dietary range related to poor appetite, selective eating, or fear of aversive consequences of eating. The current paper describes a flexible, cognitive-behavioral, family-oriented treatment approach that has been applied to each of these ARFID presentations within a larger partial hospitalization program (PHP) for eating disorders. We provide composite case examples for the presentations and retrospective outcome data on a sample of 81 patients treated with the protocol. Overall, patients with ARFID exhibited significant increases in body weight and the number of foods accepted, and significant decreases on measures assessing food fears, oral control behavior, anxiety, and depression. At baseline, patients with co-occurring poor …