75585-0
Comment on fetal Prader-Willi syndrome risk [Text] in Plasma cell-free+WBC DNA by Dosage of chromosome-specific cfDNA Narrative
Active
Term Description
This term was developed for, but is not limited in use to, Natera's Panorama noninvasive prenatal test for fetal aneuploidies and microdeletions.
Source: Regenstrief LOINC
Part Descriptions
LP185992-7 Comment on fetal Prader-Willi syndrome risk
Prader-Willi syndrome (PWS) risk refers to the fetus's risk of being affected by PWS. The risk for the fetus can be derived from the general population risk as well as prenatal genetic testing of fetal DNA. PWS is caused by the functional loss of several genes on chromosome 15. Normally, only the paternal copy of these genes is active due to genomic imprinting, and in PWS, the paternal copy of these genes is missing. The genetic basis for PWS is the inverse of the basis for Angelman syndrome, in which the maternal copy of a specific gene on chromosome 15 is missing. About 70% of PWS cases are due to the deletion of a portion of the paternal chromosome 15, and another 25% are due to the presence of two maternal chromosome 15 copies (called uniparental disomy, meaning two copies from one parent) instead of one maternal and one paternal.
PWS is associated with different characteristics over time. Infants with PWS have poor growth, developmental delay, and weak muscle tone. Children with PWS develop a compulsion to eat, which leads to obesity and type 2 diabetes mellitus. PWS is associated with mild to moderate cognitive delay, behavior problems, characteristic facial features, and delayed puberty. The general population risk of PWS is about 1 in 10,000 - 30,000 live births, and does not change with maternal age. [MedlinePlus Condition: prader-willi-syndrome]
Source: Regenstrief LOINC, GHR: Prader-Willi syndrome
LP185992-7 Comment on fetal Prader-Willi syndrome risk
The genetic counselor's comment regarding risk of a specific disorder or group of disorders is used to convey follow-up recommendations or other information related to the risk result and interpretation.
Source: Regenstrief LOINC
Fully-Specified Name
- Component
- Comment on fetal Prader-Willi syndrome risk
- Property
- Txt
- Time
- Pt
- System
- WBC.DNA+Plas.cfDNA
- Scale
- Nar
- Method
- Dosage of chromosome specific cf DNA
Additional Names
- Short Name
- Fet PWS risk comment
- Display Name
- Comment on Prader-Willi syndrome risk Dosage of chromosome-specific cfDNA Nar (Plasma cell-free+WBC DNA)
- Consumer Name Alpha Get Info
- Fetal Comment on prader-Willi syndrome risk
Basic Attributes
- Class
- MOLPATH.DEL
- Type
- Laboratory
- First Released
- Version 2.50
- Last Updated
- Version 2.73
- Change Reason
- Release 2.70: COMPONENT: Removed "Genetic counselor" to broaden use since various specialists may provide comments on test results.; Previous Releases: Added "Fetal" to Component to clarify that the result is about the fetus.
- Order vs. Observation
- Both
Member of these Panels
LOINC | Long Common Name |
---|---|
75547-0 | Noninvasive prenatal fetal aneuploidy and microdeletion panel based on Plasma cell-free+WBC DNA by Dosage of chromosome-specific circulating cell free (ccf) DNA |
Language Variants Get Info
Tag | Language | Translation |
---|---|---|
es-ES | Spanish (Spain) | Comentario de consejo genético en riesgo de síndrome de Prader-Willis: |
es-MX | Spanish (Mexico) | Comentario del consejero genético sobre el riesgo de síndrome de Prader-Willi fetal: |
fr-FR | French (France) | Risque syndrome de Prader-Willi foetal (commentaire du conseiller génétique): |
it-IT | Italian (Italy) | Commento su rischio sindrome di Prader-Willi: Synonyms: Delezione genetica DNA libero circolante nel plasma Dosaggio di DNA libero fetale circolante cromosoma Globuli bianchi Globuli bianchi+DNA libero circolante nel plasma Patologia molecolare Plasma Punto nel tempo (episodio) Rischio di sindrome di Prader Willi Testo |
zh-CN | Chinese (China) | 关于胎儿普拉德-威利综合征风险的遗传咨询师意见: Synonyms: WBC.DNA+血浆.cfDNA; |
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