Do the diagnostic criteria for subclinical hypercortisolism exist?

"Subclinical hypercortisolism" (SH) refers to a condition associated with a mild chronic increase in cortisol secretion. By definition, patients with SH do not exhibit specific symptoms of overt Cushing's syndrome (such as purple striae, easy bruising, proximal muscle weakness), SH has been preferred to "subclinical Cushing's syndrome", a semantic ambiguity since Cushing's syndrome is, by definition, a set of symptoms; and to the term "preclinical Cushing syndrome" because the progression toward overt clinical hypercortisolism is very rare. However, SH still is misnomer as a number of studies suggest that this condition may induce long-term non-specific adverse conditions related to the mild cortisol excess (i.e. diabetes, hypertension, obesity, and osteoporosis). Various attempts have been made to define SH that remains a matter of controversies and uncertainties.