FXN gene GAA repeats [Presence] in Blood or Tissue by Molecular genetics method 21762-0
LOINC Code
| LOINC code | 21762-0 | ||
|---|---|---|---|
| name | FXN gene GAA repeats [Presence] in Blood or Tissue by Molecular genetics method | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | FXN gene.GAA repeats | ||
| 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/Tiss Bld = Whole blood Tiss = Tissue, unspecified | ||
| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. | ||
| method | Molgen = Molecular Genetics: General class of methods used to detect genetic attributes on a molecular basis including RFL, PCR and other methods. | ||
Additional Names | |||
| short name | FXN gene GAA Rpt Bld/T Ql | ||
Basic Attributes | |||
| class | MOLPATH.NUCREPEAT | ||
| 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 | |||
| test rank | 17542 of 2000 most commonly performed tests by labs in USA | ||
| first released | |||
| last updated | 2.73 | ||
| last change type | MIN - change to field other than name | ||
| change reason | Changed 'FRDA' in the Component to 'FXN', the current HGNC approved gene symbol. June 2015: Changed Property from 'Pr' (Presence) to 'Threshold' since the results (e.g. positive, intermediate, negative) is based on a cut-off for the number of nucleotide repeats. Moved term from Class MOLPATH.TRINUC to MOLPATH.NUCREPEAT, a Class used to group together observations for nucleotide repeats.; 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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