Activated clotting time (ACT) of Blood induced by Diatomaceous earth 80658-8
LOINC Code
| LOINC code | 80658-8 | ||
|---|---|---|---|
| name | Activated clotting time (ACT) of Blood induced by Diatomaceous earth | ||
| description | This is a point-of-care electrochemical assay that measures venous or arterial whole blood activated clotting time (ACT) by using a Celite clot activator, which stimulates the intrinsic coagulation pathway. Celite is the commonly-used brand name of the diatomaceous earth (a naturally occurring, soft, siliceous sedimentary rock) used in ACT assays. Different activators result in different clotting times. For example, the ACT reference ranges for glass, kaolin and Celite are 110-190 sec, 90-150 sec and 100-170 sec, respectively. [http://www.practical-haemostasis.com/Miscellaneous/Miscellaneous%20Tests/act.html] In addition, aprotinin may affect the ACT result when Celite is used, therefore, the test is not recommended for use with patients receiving aprotinin. The ACT is primarily used to monitor a patient's state of anticoagulation due to heparin that is administered during a medical or surgical procedure. It is commonly employed in cardiac catheterization, percutaneous transluminal coronary angioplasty (PTCA), renal dialysis, hemodialysis, and extra-corporeal circulation during bypass. This term was created for, but not limited in use to, the submitter's Abbott Celite activated clotting time test kit. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Activated clotting time.diatomaceous earth induced | ||
| property | Time = Time Duration | ||
| 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 | Coag = Coagulation Assay: To distinguish coagulation assays based on clotting methods that test function/activity from Immune methods that detect the presence of clotting factors and may or may not be functional assays. | ||
Additional Names | |||
| short name | ACT Diatom earth Ind Bld | ||
Basic Attributes | |||
| class | COAG | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| example UCUM units | s 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 | s | ||
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 | 2.69 | ||
| last change type | NAM - change to Analyte/Component | ||
| change reason | Release 2.69: COMPONENT: Make model consistent with new Microviscometry terms.; METHOD_TYP: Make model consistent with new Microviscometry terms; | ||
Related Names | |||
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