Table 2.

Preferred screening tests in special circumstances [2, 9, 15].

Situations	Test preferred	Test not preferred
Cyclic Cushing's syndrome [21]	UFC or LNSC	DST
Mild Cushing's syndrome [21]	LNSC or DST	UFC
Pseudo Cushing's syndrome [21]	LNSC or DST	UFC
CS patients on antiepileptics [21]	UFC or LNSC	DST
Adrenal incidentaloma [21]	DST	UFC or LNSC
Pregnancy [21]	UFC	DST, LNSC
Severe chronic kidney disease [21]	DST or LNSC	UFC
Low pretest probability [15]	UFC
High pretest probability [15]	LNSC

UFC: urinary free cortisol; LNSC: late-night salivary cortisol; DST: dexamethasone suppression test.