Metabolic medicine is a subspecialty that can be defined as a group of overlapping areas of clinical practice with common dependence on detailed understanding of basic biochemistry and metabolism, which fall within the expertise of both the physician and biochemist.

Haematology is the specialty responsible for the diagnosis and management of a wide range of benign and malignant disorders of the red blood cells, white blood cells, platelets and the coagulation system in adults and children.