Lymphocyte proliferation.anti-CD28.maximum/CD45 in Blood by Flow cytometry (FC) 81759-3
LOINC Code
| LOINC code | 81759-3 | ||
|---|---|---|---|
| name | Lymphocyte proliferation.anti-CD28.maximum/CD45 in Blood by Flow cytometry (FC) | ||
| description | The percent of proliferating lymphocytes stimulated by anti-CD28 (aCD28) out of the total CD45 cell population. The maximum (highest proliferating out of 3 titrations) response to anti-CD28 is reported. This is a second-level test for assessing lymphocyte (T-cell) function after lymphocyte proliferation to phytohemagglutinin has been assessed. The test is used to evaluate patients with impairment in cellular immunity due to primary or secondary immunodeficiencies and in patients receiving immunosuppressive or immunomodulatory therapy. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Lymphocyte proliferation.anti-CD28.maximum/CD45 | ||
| property | NFr = Number 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 | Flow cytometry | ||
Additional Names | |||
| short name | LPT aCD28 max/CD45 NFr Bld FC | ||
Basic Attributes | |||
| class | HEM/BC | ||
| 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 | 2.56 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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Copyright © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, 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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