One of the key differences in DSM-5 diagnostic criteria for anorexia nervosa is that now diagnosis is based on _____.

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In DSM-5, diagnosis of anorexia nervosa is based on a low body mass index (BMI) rather than requiring amenorrhea as a diagnostic criterion. The old criteria only required a weight at or below 85% of expected weight for age and height, while the new criteria specify a BMI of 17.5 or lower.

One of the Key Differences in DSM-5 Diagnostic Criteria for Anorexia