50731-9
LOINC Code
| LOINC code | 50731-9 | ||||||
|---|---|---|---|---|---|---|---|
| name | |||||||
| 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 | DISCOURAGED | ||||||
| Replacements | alternatives to this code:
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Fully-Specified Name | |||||||
| component | Serotonin release 100 IU/mL heparin.low molecular weight 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 | 5-HT; 5-hydroxytryptamine; 5-hydroxytryptophane; Arbitrary concentration; C10H12N2O; Clexane; Enoxaparin; Enteramine; Hep; Hepar; Heparin dependent platelet antibody; Heparn; LMWH; Lovenox; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; | ||||||
Basic Attributes | |||||||
| class | SERO | ||||||
| type | 1 Laboratory | ||||||
| order vs. observation | SRA 100IU/mL LM | ||||||
| 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) | ||||||
Member of these Panels | |||||||
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History/Usage | |||||||
| first released | |||||||
| last updated | 2.7 | ||||||
| last change type | MIN - change to field other than name | ||||||
| change reason | % | ||||||
Related Names | |||||||
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Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
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