Serotonin release 0.1 IU/mL heparin.unfractionated [Units/volume] in Serum 50728-5
LOINC Code
| LOINC code | 50728-5 | ||
|---|---|---|---|
| name | Serotonin release 0.1 IU/mL heparin.unfractionated [Units/volume] in Serum | ||
| description | Resulted as percentage of specific serotonin release: (cpm test - cpm spont)/(cpm max - cpm spont) x 100, where cpm "spont" is the spontaneous release of [3H]serotonin from cells incubated in absence of antibodies, and cpm "max" is the maximum release of [3H]serotonin from cells lysed using 1% Triton X-100. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Serotonin release 0.1 IU/mL heparin.unfractionated IU = Intrauterine | ||
| property | ACnc = Arbitrary 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 = Serum | ||
| 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 | SRA 0.1IU/mL UFH Ser-aCnc | ||
Basic Attributes | |||
| class | SERO | ||
| type | 1 Laboratory | ||
| order vs. observation | Observation | ||
| example UCUM units | % 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) | ||
| example unit | % | ||
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. | |||
Member of these Panels | |||
History/Usage | |||
| test rank | 5291 of 2000 most commonly performed tests by labs in USA | ||
| first released | |||
| last updated | 2.73 | ||
| last change type | MIN - change to field other than name | ||
| change reason | This code originally used the word 'heparin' to describe the drug used in the serotonin release assay. It was determined from communication with the Blood Center of Wisconsin that either 'LMW heparin' or 'unfractionated heparin' can be used, and that these 2 codes must be intended to reflect the result using unfractionated heparin. As a result, the name was modified to better reflect the intended meaning. June 2015 release: Changed U/mL to IU/mL in the Component based on the WHO International Laboratories Biological Reference Preparations List (2015). 'U' represents enzyme units but is often misused for units without specifying what kind. | ||
Related Names | |||
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