BDD-YBOCS- Body Dysmorphic Disorder Modification of the YBOCS


The Yale-Brown Obsessive-Compulsive Scale Modified for Body Dysmorphic Disorder (BDD-YBOCS) is a 14-item semi-structured interview designed to measure the current severity of body dysmorphic disorder.

Special Instructions

The BDD-YBOCS is intended for use as a provider-administered, semi-structured interview. A version with verbose prompts Is provided under “downloads” below.

Scores Produced

  • BDD-YBOCS Obsession Subtotal (0-20) (sum of items 1-5)
  • BDD-YBOCS Compulsion Subtotal (0-20) (sum of items 6-10)
  • BDD-YBOCS Insight/Avoidance Subtotal (0-8) (sum of items 11-12)
  • BDD-YBOCS Total (0-48) (sum of items 1-12)

Items 2b and 6b are not included in the scores.


Phillips KA, Hollander E, Rasmussen SA, Aronowitz BR, DeCaria C, Goodman WK. A severity rating scale for body dysmorphic disorder: development, reliability, and validity of a modified version of the Yale-Brown Obsessive Compulsive Scale. Psychopharmacol Bull 1997;33:17-22.



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