73821-1

LOINC Code


LOINC code73821-1
name
descriptionThe probability risk for sex chromosome (X & Y) aneuploidy can be determined based on dosage of chromosome specific circulating cell free (ccf) DNA in maternal plasma, the mother's current age and gestational age. The ccf DNA includes both fetal and maternal DNA. This code is based, but not limited in use to, the submitter's test, Harmony Prenatal Test, which is a non-invasive prenatal test intended to aid in the risk determination of fetal aneuploidy as well as trisomy 13, 18 and 21 in women with singleton pregnancies of at least 10 weeks gestational age.
statusACTIVE

Fully-Specified Name

componentFetal chromosome X & Y aneuploidy risk
propertyLikelihood
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.
systemPlas.cfDNA
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
methodDosage of chromosome specific cf DNA

Additional Names

short nameChr X + Y aneup; Chr X + Y aneup risk; Chromosom; Chromosomes; Molecular pathology; MOLPATH; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Risk; Spec

Basic Attributes

classMOLPATH
type1  Laboratory
order vs. observationFet Chr X + Y a
example UCUM unitsRisk
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)

Member of these Panels

73967-2

History/Usage

first released
last updated2.73
last change typeMIN  - change to field other than name
change reason{risk}

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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