Chromosome region 17p13.1 deletion in Blood or Tissue by FISH 81746-0
LOINC Code
| LOINC code | 81746-0 | ||
|---|---|---|---|
| name | Chromosome region 17p13.1 deletion in Blood or Tissue by FISH | ||
| description | Deletions at 17p13.1 involving the TP53 gene can be detected by FISH and used for the diagnosis of chronic lymphocytic leukemia (CLL), multiple myeloma as well as other forms of cancer. Labs will report the number of cells that have the probe deletion out of total number of cells examined (e.g. 80 out of 100 cells, or 80%). Results are typically reported in ISCN (International System for Human Cytogenetic Nomenclature) format [LOINC: 62356-1]. This term is based, but not limited in use to, the Vysis LSI p53 (17p13.1) probe, which targets the TP53 gene and flanking regions. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Chromosome region 17p13.1 deletion | ||
| property | Find = Finding | ||
| 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 | Doc = Document: A document that could be in many formats (XML, narrative, etc.) | ||
| method | FISH | ||
Additional Names | |||
| short name | Chr 17p13.1 Del Bld/T FISH | ||
Basic Attributes | |||
| class | MOLPATH.DELDUP | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
Ask At Order Entry | |||
Ask at Order Entry (AOE) observations for a clinical observation or laboratory test. A LOINC term may represent a single AOE observation or a panel containing several AOE observations.
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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 | 2.66 | ||
| last change type | MIN - change to field other than name | ||
| change reason | Changed "17p13" to "17p13.1" in Component to clarify that the probe for this assay targets the p13.1 region of chromosome 17. | ||
Related Names | |||
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