Deprecated Escherichia coli (oppA) gene [Presence] by Nucleic acid capture and probe detection in Positive blood culture 75678-3
LOINC Code
| LOINC code | 75678-3 | ||
|---|---|---|---|
| name | Deprecated Escherichia coli (oppA) gene [Presence] by Nucleic acid capture and probe detection in Positive blood culture | ||
| description | Magnetic beads and fluorescent probes are used to capture and detect targeted nucleic acid sequences specific to Escherichia coli species within the oppA gene in positive blood culture. The oppA gene encodes "oligopeptide ABC transporter periplasmic binding protein", an ATP-dependent oligopeptide transporter that is a member of the ATP-Binding Cassette (ABC) Superfamily of transporters. This term is based on, but not limited in use to Nanosphere's Verigene Gram-Negative Blood Culture test, which reports specimens containing Shigella spp. and/or E. coli as "E. coli Detected". | ||
| status | DEPRECATED | ||
| status reason | Duplicate - The "Probe.mag capture" Method has been deprecated and replaced with the more general "Probe" Method since the "mag capture" portion represents how the nucleic acids are isolated, which is not a distinction made in the LOINC Method for molecular tests. Given that updating the Method would change the meaning of the term, a new term was created to replace the existing term as recommended by the Special Topics workgroup on PCR-based Methods and approved by the LOINC Lab Committee at the June 2017 meeting. | ||
| Replacements | alternatives to this code:
| ||
Fully-Specified Name | |||
| component | Escherichia coli (oppA) gene | ||
| 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 | Bld.pos growth | ||
| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. | ||
| method | Probe.mag capture | ||
Additional Names | |||
| short name | Deprecated E coli oppA Bld Pos Ql Prb Mag | ||
Basic Attributes | |||
| class | MICRO | ||
| type | 1 Laboratory | ||
| order vs. observation | Observation | ||
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 | 2.63 | ||
| last change type | DEL - delete (deprecate) | ||
| 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. | ||
Related Names | |||
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