Chromosome X and Y aneuploidy in Plasma cell-free DNA by Dosage of chromosome-specific cfDNA Nominal 73822-9
LOINC Code
| LOINC code | 73822-9 | ||
|---|---|---|---|
| name | Chromosome X and Y aneuploidy in Plasma cell-free DNA by Dosage of chromosome-specific cfDNA Nominal | ||
| description | Sex chromosome (X & Y) analysis to determine gender (XY or XX) or presence of aneuploidy can be determined based on dosage of chromosome specific 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. The submitter's lab reports results as male fetus, female fetus, or aneuploidy. For aneuploidy cases, the results of the specific findings (e.g. YY, XYY, XXX, etc.) are reported as well. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Fetal chromosome X & Y aneuploidy | ||
| property | Find = Finding | ||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||
| system | Plas.cfDNA | ||
| scale | Nom = Nominal: Nominal or categorical responses that do not have a natural ordering. (e.g., names of bacteria, reported as answers, categories of appearance that do not have a natural ordering, such as, yellow, clear, bloody. | ||
| method | Dosage of chromosome specific cf DNA | ||
Additional Names | |||
| short name | Chr X + Y aneup Plas.cfDNA | ||
Basic Attributes | |||
| class | MOLPATH | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
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 | |||
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History/Usage | |||
| test rank | 7043 of 2000 most commonly performed tests by labs in USA | ||
| first released | |||
| last updated | 2.73 | ||
| last change type | MIN - change to field other than name | ||
| change reason | The 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. Changed Component from 'X & Y chromosome analysis' to clarify that the purpose of the measurement is to look for aneuploidy.; Added "Fetal" to Component to clarify that the result is about the fetus. | ||
Related Names | |||
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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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