Cortisol post CRH stimulation panel - Serum or Plasma 93480-2
LOINC Code
| LOINC code | 93480-2 | ||
|---|---|---|---|
| name | Cortisol post CRH stimulation panel - Serum or Plasma | ||
| description | The corticotropin releasing hormone (CRH) stimulation test is used to evaluate the hypothalamic-pituitary axis and help diagnose adrenocorticotrophic hormone (ACTH or corticotropin) dependent Cushing's disease. CRH stimulation cannot distinguish between Cushing's and pseudo-Cushing's. During this procedure, baseline cortisol measurements are taken followed by administration of 1 ug/kg of CRH, after which cortisol is measured again at timed intervals. In patients with Cushing's, cortisol concentrations at 30 and 45 minutes post CRH administration should be at least 20% higher than the mean baseline value.[NCBI Books: NBK278940] The timing for baseline and post-CRH cortisol measurements vary depending on local protocol. ACTH levels may also be measured [LOINC: 91707-0] as part of a CRH stimulation test. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Cortisol post corticotropin releasing hormone stimulation panel | ||
| property | - | ||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||
| system | Ser/Plas Ser = Serum Plas = Plasma | ||
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | ||
| method | |||
Additional Names | |||
| short name | Cortisol p CRH stimulation Pnl SerPl | ||
Basic Attributes | |||
| class | PANEL.CHAL | ||
| type | 1 Laboratory | ||
| order vs. observation | Order | ||
Panel Components | |||
Associated Observations | |||
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations. | |||
History/Usage | |||
| first released | |||
| last updated | 2.67 | ||
| last change type | ADD - added | ||
Related Names | |||
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