Difference between chronic pain disorder and psychosomatic?

CPD: us usyally related to some real underlying medical problem or issue. Psychosomatic pain, is pain,preciptated by thoughts or emotions.

See below: Many define a chronic pain disorder if a pain persists for more than 6 months. There may be multiple reasons, like unresolved underlying illness, damaged nerve, or change in brain’s perception of pain, sometimes due to poorly treated acute pain. The term psychosomatic disorder is used when emotional discomfort and distress is expressed in the form of bodily symptoms, even without physical disease.

DSM-5: Somatic symptom disorder (SSD) is a DSM-5 diagnosis that describes a cluster of patients who have distressing somatic symptoms along with abnormal thoughts, feelings, and behaviors in response to these symptoms. It is an umbrella term intended to describe most of the patients who had previously ------- Kindly check https://dsm.psychiatryonline.org/doi/10.1176/appi.books.9781585624836.j