84920-8
LaboratoryCells.chromosome region 5q31 deletion/Cells counted in Blood or Tissue by FISH
Definition
The percent of cells in blood or tissue containing the 5q31 deletion involving the EGR1 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. This term is used to report the number of cells that have the 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 EGR1 (5q31) probe, which targets the EGR1 gene and flanking regions.
LOINC 6-Axis Classification
Component
Cells.chromosome region 5q31 deletion/Cells counted
Property
NFr
Time Aspect
Pt
System
Bld/Tiss
Scale Type
Qn
Method Type
FISH
Details
Class
MOLPATH.DELDUP
Order/Observation
Both
Short Name
Cells.5q31 Del/Cells NFr Bld/T FISH
Display Name
Cells.chromosome region 5q31 del/Cells counted FISH (Bld/Tiss)
Related Names
Frequently Asked Questions
What is LOINC code 84920-8?
LOINC code 84920-8 identifies "Cells.chromosome region 5q31 deletion/Cells counted in Blood or Tissue by FISH". The percent of cells in blood or tissue containing the 5q31 deletion involving the EGR1 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. This term is used to report the number of cells that have the 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 EGR1 (5q31) probe, which targets the EGR1 gene and flanking regions.
What does 84920-8 measure?
This code measures Cells.chromosome region 5q31 deletion/Cells counted in Bld/Tiss. It belongs to the MOLPATH.DELDUP class in the LOINC classification.
What is LOINC?
LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.