Cells.chromosome region 7q31 deletion/Cells counted in Blood or Tissue by FISH   84921-6

LOINC Code


LOINC code84921-6
nameCells.chromosome region 7q31 deletion/Cells counted in Blood or Tissue by FISH
descriptionThe percent of cells in blood or tissue containing the 7q31 deletion can be detected by FISH and used for the diagnosis of acute myeloid leukemia or myelodysplastic syndrome. This term is used to report the number of cells that have the 7q31 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/CEP 7 probe kit. To report percentage results for the CEP7 probe, used [LOINC: 84922-4].
statusACTIVE

Fully-Specified Name

componentCells.chromosome region 7q31 deletion/Cells counted
propertyNFr  =  Number Fraction
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemBld/Tiss
    Bld  =  Whole blood
    Tiss  =  Tissue, unspecified
scaleQn  =  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
methodFISH

Additional Names

short nameCells.7q31 Del/Cells NFr Bld/T FISH

Basic Attributes

classMOLPATH.DELDUP
type1  Laboratory
order vs. observationBoth
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 updated2.61
last change typeMIN  - change to field other than name

Related Names

Blood
Cell
Cells.7q31
Cells.7q31 del
Cellularity
Chromosom
Chromosomes
Cyto loc
Del
Deletions
Fluorescent in situ hybridization
Genetics
Heredity
Heritable
Inherited
Molecular pathology
MOLPATH
MOLPATH.DELDUP
Number Fraction
Percent
Point in time
QNT
Quan
Quant
Quantitative
Random
Tissue
Tissue, unspecified
WB
Whole blood
Whole blood or Tissue

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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