The DSM is not designed as a list of questions to use to ask patients, it’s designed to describe disorders.
Asking you “do you have trouble concentrating?” is lazy (at least, on its own. Asking a patient to perform a self-assessment is not bad medicine necessarily). A doctor should also be evaluating your concentration in other ways.
This. Clinical symptoms are latent descriptors of manifest variables, ie it is not expected that a person can verbalize or even introspect the symptom descriptions. If the (prospective) patient could do this themselves, the clinical assessment would not be necessary.
Asking you “do you have trouble concentrating?” is lazy (at least, on its own. Asking a patient to perform a self-assessment is not bad medicine necessarily). A doctor should also be evaluating your concentration in other ways.