Enterovirus RNA [Cycle Threshold #] in Specimen by NAA with probe detection 74423-5
LOINC Code
| LOINC code | 74423-5 | ||
|---|---|---|---|
| name | Enterovirus RNA [Cycle Threshold #] in Specimen by NAA with probe detection | ||
| description | The quantitative cross/cycle threshold (Ct) value may be reported for real-time PCR-based assays. The value is defined by the number of PCR cycles required for the fluorescent signal of a given product (targeted RNA) to cross the threshold (i.e. exceed background level). In general, the lower the Ct value, the greater the amount of targeted nucleic acid and vice versa. The interpretation (e.g. positive, negative, indeterminate) is determined based on a cut-off value. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Enterovirus RNA | ||
| property | ThreshNum = Threshold Number | ||
| 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 | XXX | ||
| 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 | Probe.amp.tar | ||
Additional Names | |||
| short name | EV RNA Ct Spec Qn NAA+probe | ||
Basic Attributes | |||
| class | MICRO | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| example UCUM units | {Ct_value} 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 | Ct | ||
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 | MIN - change to field other than name | ||
| change reason | Changed property from 'ThresNum' to clarify the property name. | ||
Related Names | |||
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