56990-5
LOINC Code
| LOINC code | 56990-5 | ||||||||||||||||||
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| name | |||||||||||||||||||
| status | ACTIVE | ||||||||||||||||||
Fully-Specified Name | |||||||||||||||||||
| component | Toxoplasma gondii Ab.IgG avidity | ||||||||||||||||||
| property | Ratio | ||||||||||||||||||
| 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 | IA = Immunoassay: Encompasses all immunoassays with a few exceptions, including Immune Blot and Immune Fluorescence, which were created based on historic usage. | ||||||||||||||||||
Additional Names | |||||||||||||||||||
| short name | ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Point in time; QNT; Quan; Quant; Quan | ||||||||||||||||||
Basic Attributes | |||||||||||||||||||
| class | MICRO | ||||||||||||||||||
| type | 1 Laboratory | ||||||||||||||||||
| order vs. observation | T gondii IgG Av | ||||||||||||||||||
| formula (readable) | Avidity % = (absorbance of avidity T gondii IgG well/absorbance of standard T gondii IgG well)x100 | ||||||||||||||||||
| 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 | 2.56 | ||||||||||||||||||
| 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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