Clot strength TXA2 receptor inhibited [Length fraction] in Blood by calculation 94578-2
LOINC Code
| LOINC code | 94578-2 | ||
|---|---|---|---|
| name | Clot strength TXA2 receptor inhibited [Length fraction] in Blood by calculation | ||
| description | A calculated value representing the relative amount of clotting strength (i.e., platelet activity) that would remain in the presence of anti-platelet thromboxane A2 (TXA2)-receptor inhibiting drugs. It is the portion of clotting strength due to factors other than arachidonic acid, which activates platelets by a pathway that includes metabolism to thromboxane A2 (TXA2), which binds to the TXA2 receptor. This result is used to guide anti-platelet therapy decisions. For example, if a patient's baseline relative clotting strength due to AA activation is 25% [LOINC: 94579-0], then treating that patient with an anti-platelet TXA2 receptor inhibitor would only reduce clotting strength by 25%, leaving a predicted 75% intact. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Clot strength.platelet thromboxane A2 receptor inhibited | ||
| property | LenFr = Length Fraction | ||
| 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 | Bld = Whole blood | ||
| 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 | Calculated | ||
Additional Names | |||
| short name | Clot strength TXA2-R inhib LenFr Bld | ||
Basic Attributes | |||
| class | COAG | ||
| type | 1 Laboratory | ||
| order vs. observation | Observation | ||
| formula (readable) | 100 - [{(MAaa - MAactF) / (MAk - MAactF) } x 100], where MAaa, MAactF, and MAk are the maximum amplitude induced by arachidonic acid, activator F, and kaolin, respectively. | ||
| 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. | |||
History/Usage | |||
| first released | |||
| last updated | 2.68 | ||
| last change type | ADD - added | ||
Related Names | |||
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Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, 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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