Fetal Trisomy 21 risk [Interpretation] based on Plasma cell-free DNA by Dosage of chromosome-specific cfDNA Qualitative   73966-4

LOINC Code


LOINC code73966-4
nameFetal Trisomy 21 risk [Interpretation] based on Plasma cell-free DNA by Dosage of chromosome-specific cfDNA Qualitative
descriptionTrisomy 21 (T21) ordinal risk (high/low) 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 trisomy 13, 18 and 21 in women with singleton pregnancies of at least 10 weeks gestational age.
statusACTIVE

Fully-Specified Name

componentFetal trisomy 21 risk
propertyImp  =  Impression/interpretation of study
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
scaleOrd  =  Ordinal:  Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive.
methodDosage of chromosome specific cf DNA

Additional Names

short nameFet Ts 21 risk Plas.cfDNA Ql

Basic Attributes

classMOLPATH.TRISOMY
type1  Laboratory
order vs. observationBoth

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.

Member of these Panels

73967-2Noninvasive prenatal fetal aneuploidy panel - Plasma cell-free DNA

History/Usage

test rank8913 of 2000 most commonly performed tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name
change reasonThe system of 'Ser/Plas.maternal^fetus' was changed to 'Plas.cfDNA' (cfDNA from plasma, which includes both maternal and fetal DNA) to more precisely identify what is being measured.; Added "Fetal" to Component to clarify that the result is about the fetus.

Related Names

Chromosom
Chromosomes
Down syndrome
Downs
Down's syndrome
ds
Genetics
Heredity
Heritable
Impression
Impression/interpretation of study
Impressions
Inherited
Interp
Interpretation
Molecular pathology
MOLPATH
MOLPATH.TRISOMY
Ordinal
Pl
Plasma
Plsm
Point in time
QL
Qual
Qualitative
Random
Screen
Spec
Ts
Ts 21 risk

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, 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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