Psych Dx

Diagnostic Decision Support

Work the differential the way you'll work it in clinic — hierarchy first, shortcuts never. Built for PMHNP students. DSM-5-TR aligned.

Study Mode

Differential Comparison

Pick any two disorders. See where they overlap, where they split, and the one question that separates them on an exam — or in a real intake.

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Quick Reference

All Nine Disorders

Tap any card for full DSM-5-TR criteria, thresholds, rule-outs, and the pearl.