Legionella pneumophila 1 Ag [Presence] in Urine by Rapid immunoassay 77684-9
LOINC Code
| LOINC code | 77684-9 | ||||||
|---|---|---|---|---|---|---|---|
| name | Legionella pneumophila 1 Ag [Presence] in Urine by Rapid immunoassay | ||||||
| description | For patients with symptoms of pneumonia, this test allows for early diagnosis of Legionella pneumophila serogroup 1 infection by detecting a specific soluble antigen present in the urine of patients with Legionnaires Disease. This term was created for, but not limited in use to, the submitter's Alere BinaxNOW Legionella Urinary Antigen Card test kit, which is a immunochromatographic membrane assay. Once reagents and cards are at room temperature, the test results can be read in about 15 minutes. | ||||||
| status | ACTIVE | ||||||
Fully-Specified Name | |||||||
| component | Legionella pneumophila 1 Ag | ||||||
| property | PrThr = Present or threshold: The Property PrThr stands for “Presence or Threshold”, meaning either a) the actual presence or absence of an analyte, or b) that the amount of analyte detected is over some predetermined threshold. | ||||||
| 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 | Urine | ||||||
| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. | ||||||
| method | IA.rapid | ||||||
Additional Names | |||||||
| short name | L pneumo1 Ag Ur Ql IA.rapid | ||||||
Basic Attributes | |||||||
| class | MICRO | ||||||
| type | 1 Laboratory | ||||||
| order vs. observation | Both | ||||||
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. | |||||||
Member of these Groups | |||||||
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History/Usage | |||||||
| test rank | 16221 of 2000 most commonly performed tests by labs in USA | ||||||
| first released | |||||||
| last updated | 2.73 | ||||||
| last change type | MIN - change to field other than name | ||||||
| change reason | The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016.; The EIA method, which was always intended to cover more than just enzyme-linked immunoassay and whose display name for the long common name has always been Immunoassay, was renamed IA in order to eliminate ambiguity about whether the method has a broader meaning than just enzyme-linked immunoassay. Likewise, EIA.rapid was renamed IA.rapid. These changes were approved by the Laboratory LOINC Committee in June 2016. | ||||||
Related Names | |||||||
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