Evocative/suppression testing
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.
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 |
References
- Thomas Falen; Alice Noblin; Brandy Ziesemer (1 December 2010). Learning to Code with CPT/HCPCS 2011. Lippincott Williams & Wilkins. pp. 114–. ISBN 978-0-7817-8120-6. Retrieved 13 July 2011.
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