Thank you for pointing out areas I need to explain more clearly. The biomedical model of a half century ago (and still practiced by many) ignored everything except the purely biological. Lab tests and biological signs of disease being more important than how you felt, or whether you could afford your medicine, or whether your blood pressure was high from constant fighting with your partner. The biopsychosocial model was an attempt to encourage doctors to think more holistically, and in some areas this has been adopted so well that it seems trite or meaningless. Yet in many doctor's offices (and in insurance company requests for treatment authorizations) only the purely biological is regarding as relevant or real.

Most people would put intrapsychic (personal feelings, thoughts, attitudes) and aspects of personal interactions into the psychological, but would reserve sociological for bigger group forces - economics, where people live, who is likely to be able to help out, pollution levels in your community into the sociological.