West Nile virus RNA [Presence] in Serum or Plasma from Donor by NAA with probe detection 74857-4
LOINC Code
| LOINC code | 74857-4 | ||
|---|---|---|---|
| name | West Nile virus RNA [Presence] in Serum or Plasma from Donor by NAA with probe detection | ||
| description | A qualitative in vitro nucleic acid screening test for the direct detection of West Nile Virus (WNV) RNA in human plasma. This test screens donor samples for west nile virus RNA in plasma from individual human donors, including donors of whole blood, blood components and other living donors. This test also screens organ and tissue donors when donor samples are obtained while the donor's heart is still beating, and in testing cadaveric (non-heart-beating) donors. Not intended for use on samples of cord blood. Plasma from all donors may be screened as individual specimens. For donations of whole blood and blood components, plasma samples may be tested individually or in pools comprised of not more than six individual samples. For donations from cadaveric (non-heart-beating) organ and tissue donors, samples may only be screened as individual specimens. Not intended for use in the diagnosis of infection with WNV. This term was based on, but not limited in use to, the cobas West Nile Virus RNA assay. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | West Nile Virus RNA | ||
| 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 | Ser/Plas^Donor Ser = Serum Plas = Plasma | ||
| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. | ||
| method | Probe.amp.tar | ||
Additional Names | |||
| short name | WNV RNA SerPl Donr Ql NAA+probe | ||
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. | |||
History/Usage | |||
| first released | |||
| last updated | 2.63 | ||
| 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. | ||
Related Names | |||
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