Psychiatryniche
A 26-year-old woman is assessed by a community mental health team. She has a lifelong pattern of unstable relationships, impulsive self-harm and chronic emptiness. The service records diagnoses using the World Health Organization classification that came into effect in January 2022, in which the named types - paranoid, schizoid, histrionic, narcissistic and the rest - no longer exist as separate diagnoses. The team agrees she has a personality disorder. Which one of the following must also be specified for the diagnosis to be complete in that system?