HLA-DP+DQ+DR (class II) IgG Ab [Presence] in Serum by Immunoassay 72321-3
LOINC Code
| LOINC code | 72321-3 | ||
|---|---|---|---|
| name | HLA-DP+DQ+DR (class II) IgG Ab [Presence] in Serum by Immunoassay | ||
| description | IgG antibodies to HLA Class II (HLA-DP+DQ+DR) glycoproteins are detected in patient's serum or plasma by EIA methods. Results are based on a threshold; significantly greater (e.g. 2X) absorbency compared to the negative control is considered positive. This code is based on, but not exclusive to, Lifecodes B-Screen assay. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | HLA-DP+DQ+DR Ab.IgG | ||
| 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 = Serum | ||
| 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 | HLA-DP+DQ+DR IgG Ser Ql IA | ||
Basic Attributes | |||
| class | HLA | ||
| 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. | |||
Member of these Panels | |||
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History/Usage | |||
| first released | |||
| last updated | 2.56 | ||
| 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.; The EIA method, which was always intended to cover more than just enzyme-linked immunoassay and whose display name for the long common name has always been Immunoassay, was renamed IA in order to eliminate ambiguity about whether the method has a broader meaning than just enzyme-linked immunoassay. Likewise, EIA.rapid was renamed IA.rapid. These changes were approved by the Laboratory LOINC Committee in June 2016. | ||
Related Names | |||
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