93802-7

LOINC Code


LOINC code93802-7
name
descriptionThe ratio of chromosome 19q arm deletions to chromosome 19p arm deletions. Results are used to diagnose oligodendroglioma brain tumors and to determine best treatment options. Tumors with 19q/19p ratio <0.80 and ≥26% deleted cells are deemed deleted for 19q.
statusACTIVE

Fully-Specified Name

component19q chromosome deletion/19p chromosome deletion
propertyNRto  =  Number Ratio
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.
systemTiss  =  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 name19p Del; Chromosom; Chromosomes; Del; Deletions; Fluorescent in situ hybridization; Molecular pathology; MOLPATH; MOLPATH.DELDUP; Number ratio; Point in time; QNT; Quan; Quant; Quantitative; Random; Tissue; Tissue, unspecified

Basic Attributes

classMOLPATH.DELDUP
type1  Laboratory
order vs. observation19q/19p Chrom D
example UCUM unitsratio
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)

History/Usage

first released
last updated2.67
last change typeADD  - added
change reason{ratio}

Related Names



Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, 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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