9812-9
LOINC Code
| LOINC code | 9812-9 | ||
|---|---|---|---|
| name | |||
| description | Identifies an evening specimen when cortisol is at its lowest point in a circadian cycle -often considered to be midnight. Some laboratories will call this "12AM (midnight)" specimen, but specimens in the range of 11PM to 1AM are acceptable. The trough time may have to be adjusted for patients on different work shifts because their circadian rhythms can shift with their sleeping time. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Cortisol^PM trough specimen | ||
| property | MCnc = Mass Concentration | ||
| 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 | 12 AM; 12AM; 17-Hydroxycorticosterone; Chemistry; circadian low; Compound F; Coritsol; Cort; Evening; F; hydrocortisone; late night specimen; Level; Mass concentration; Midnight; Pl; Plasma; Plsm; PM diurnal trough; Point in time; Pre; Predose; Pre-dose; | ||
Basic Attributes | |||
| class | CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Cortis PM SerPl | ||
| example UCUM units | ug/dL The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org) | ||
Member of these Groups | |||
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Member of these Panels | |||
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History/Usage | |||
| first released | |||
| last updated | 2.73 | ||
| last change type | MIN - change to field other than name | ||
| change reason | ug/dL | ||
Related Names | |||
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