Evocative/suppression testing
Medical diagnostic test
From Wikipedia, the free encyclopedia
Evocative/suppression testing refers to a class of tests performed where one substance is measured both before and after the administration of another substance to determine if the levels are stimulated ("evocative") or suppressed.[1]
| Evocative/suppression testing | |
|---|---|
| OPS-301 code | 1-797 |
They are most commonly performed in the evaluation of possible endocrine disorders.[citation needed]
Certain tests are performed in the evaluation of multiple conditions, and not all listed substances may be measured in each test.
Examples include:
| Test name | Substance administered | Substance measured | Condition evaluated |
|---|---|---|---|
| combined rapid anterior pituitary evaluation panel | insulin, GnRH, TRH | ACTH and cortisol, FSH, HGH, LH, prolactin, TSH | hypopituitarism |
| TRH stimulation test | TRH | TSH | secondary hypothyroidism |
| ACTH stimulation test | ACTH | cortisol, 17α-hydroxyprogesterone | adrenal insufficiency, Congenital adrenal hyperplasia (21-hydroxylase, 3 beta) |
| metyrapone panel | metyrapone | cortisol, 11-deoxycortisol | adrenal insufficiency |
| dexamethasone suppression test | dexamethasone | cortisol | Cushing's syndrome |
| captopril suppression test | captopril | aldosterone | primary aldosteronism |
| captopril challenge test | captopril | renin | renal artery stenosis |
