evocative/suppression testing

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Name = Evocative/suppression testing |

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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.{{cite book|author1=Thomas Falen|author2=Alice Noblin|author3=Brandy Ziesemer|title=Learning to Code with CPT/HCPCS 2011|url=https://books.google.com/books?id=cukoplRopIAC&pg=PT114|accessdate=13 July 2011|date=1 December 2010|publisher=Lippincott Williams & Wilkins|isbn=978-0-7817-8120-6|pages=114–}}

They are most commonly performed in the evaluation of possible endocrine disorders.{{cn|date=May 2022}}

Certain tests are performed in the evaluation of multiple conditions, and not all listed substances may be measured in each test.

Examples include:

class="wikitable"
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