Antithrombin in Platelet poor plasma by Chromo.no addition of heparin 91120-6
LOINC Code
| LOINC code | 91120-6 | ||
|---|---|---|---|
| name | Antithrombin in Platelet poor plasma by Chromo.no addition of heparin | ||
| description | This term represents an antithrombin (AT) assay which, in contrast to typical AT assays, is performed in the ABSENCE of heparin. This assay is also known as "Progressive antithrombin assay." It is used to identify type IIb AT deficiency, which is caused by a mutation in the AT heparin binding site (HBS). In type IIb AT deficiency, AT activity is reduced in the presence of heparin but is normal in the absence of heparin.[PMID: 19141163] This term was created for, but is not limited in use to, the Biophen Antithrombin 5 assay's VARIANT Method, which is performed without heparin. In patients with type IIb AT deficiency, AT activity is expected to be normal in patients with an HBS mutation. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Antithrombin | ||
| property | RelCCnc = Relative Catalytic 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 | PPP = Platelet poor 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 | Chromo.no addition of heparin | ||
Additional Names | |||
| short name | AT III PPP Chromo.no added heparin | ||
Basic Attributes | |||
| class | COAG | ||
| 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. | |||
History/Usage | |||
| first released | |||
| last updated | 2.65 | ||
| last change type | ADD - added | ||
Related Names | |||
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