Cells.chromosome 7 monosomy/Cells counted in Blood or Tissue by FISH 84922-4
LOINC Code
| LOINC code | 84922-4 | ||
|---|---|---|---|
| name | Cells.chromosome 7 monosomy/Cells counted in Blood or Tissue by FISH | ||
| description | The percent of cells in blood or tissue containing a single copy of chromosome 7 (monosomy 7) can be detected by FISH based on the number of chromosome 7 probe signals and used for the diagnosis of acute myeloid leukemia or myelodysplastic syndrome. This term is used to report the number of cells that have a chromosome 7 deletion out of total number of cells examined (e.g. 80 out of 100 cells, or 80%). Results are also 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 D7S486(7q31)/CEP 7(7p11.1-q11.1) probe kit. To report percentage results for the 7q31 (D7S486) probe deletion, used [LOINC: 84921-6]. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Cells.chromosome 7 monosomy/Cells counted | ||
| property | NFr = Number Fraction | ||
| 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 | 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 | FISH | ||
Additional Names | |||
| short name | Cells.Chr Mono 7/Cells NFr Bld/T FISH | ||
Basic Attributes | |||
| class | MOLPATH.DELDUP | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| example UCUM units | % 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) | ||
| example unit | % | ||
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 | 2.61 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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Copyright © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, 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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