Neuroimaging in Functional Neurological Disorder: State of the Field and Research Agenda, 2021, Perez, Carson, Edwards, Hallet, Stone et al

They want to append that diagnosis to literally every other diagnostic category. That is why the BPS club have been pushing the whole 'transdiagnostic' thing so hard, for years. It is one of Chalder's favourite themes, IIRC.

Yes, Mr Patient, you have terminal bowel cancer, and less than three months to live. But you also have a functional overlay that is just as important, and requires you to waste spend as your remaining time and energy on confronting and dealing with it, to our satisfaction. Because... reasons.​

I wish that was a joke.

There is extremely serious psychopathology going here alright. Just not in their patients.

More like diagnostic flood.