94718-4
LOINC Code
| LOINC code | 94718-4 | |
|---|---|---|
| name | ||
| description | Qualitative detection of human neutrophil peptide-1, -2, and -3, also known as alpha defensins 1-3, in synovial fluid by immunoassay methods, such as ELISA or lateral flow assay, for the diagnosis of periprosthetic joint infections (PJI). This assay detects but does not differentiate between the three HNP peptides. This term was created for, but not limited in use to, Zimmer Biomet Diagnostics Synovasure Alpha Defensin ELISA and Lateral Flow Test kits. The Synovasure Lateral flow test utilizes the same anti-microbial peptide as the ELISA test to detect the immune response to infection, but the Lateral Flow returns results in 10 minute whereas the ELISA typically has a 24-48 hour result turnaround. | |
| status | ACTIVE | |
Fully-Specified Name | ||
| component | Alpha defensins 1+2+3 | |
| 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 | Synv fld = Synovial fluid (Joint fluid) | |
| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. | |
| method | IA = Immunoassay: Encompasses all immunoassays with a few exceptions, including Immune Blot and Immune Fluorescence, which were created based on historic usage. | |
Additional Names | ||
| short name | Alfa; Alpha defensin; alpha Defensins; Chemistry; EIA; ELFA; ELISA; Enzyme immunoassay; HNP-1; HNP-2; HNP-3; Human neutrophil peptide; Human neutrophil peptides; i; IAA; ID; II; III; Infectious Disease; InfectiousDisease; Joint aspirate; Joint fld; Joint | |
Basic Attributes | ||
| class | CHEM | |
| type | 1 Laboratory | |
| order vs. observation | Alpha defensins | |
History/Usage | ||
| first released | ||
| last updated | 2.72 | |
| last change type | MIN - change to field other than name | |
Related Names | ||
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