85356-4
LOINC Code
| LOINC code | 85356-4 | ||
|---|---|---|---|
| name | |||
| description | Targeted PCR-based analysis of nucleic acids within the spike (S) gene specific to the prototype strain of the Porcine epidemic diarrhea virus (PEDV) and reported as a cross threshold (Ct) value. This assay is performed on various specimens, including fresh tissues (intestine), fluids (feces, intestinal content, oral fluid), fecal swabs, and other miscellaneous specimens (environmental, feed, feed pre-mix). This term was created for, but not limited in use to, the submitter's PEDV S gene Prototype differential PCR, which targets the highly conserved regions of the PEDV S gene in order to differentiate between the two strains of PEDV know to be circulating in North America: the original US strain (US PEDV prototype), represented by this term, and the variant US strain (S INDEL variant) [LOINC: 85355-6]. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Porcine epidemic diarrhea virus prototype strain S gene | ||
| 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 | 3 Self-Sustaining Sequence Replication; 3SR SR; Amplif; Amplification; Amplified; DNA NUCLEIC ACID PROBE; DNA probe; LAT; LCR; Ligase chain reaction; Ligation-activated transcription; Microbiology; Misc; Miscellaneous; NAA+probe; NAAT; NASBA; Nucleic acid | ||
Basic Attributes | |||
| class | MICRO | ||
| type | 1 Laboratory | ||
| order vs. observation | PEDV proto S Ct | ||
| example UCUM units | Ct 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) | ||
Member of these Panels | |||
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History/Usage | |||
| first released | |||
| last updated | 2.69 | ||
| last change type | MIN - change to field other than name | ||
| change reason | {Ct_value} | ||
Related Names | |||
Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, 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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