Disorders


 

Prader-Willi Syndrome


Synonym(s): Prader-Labhart-Willi Syndrome, PWS

 

GeneReviewOMIM


Laboratory Test Method Prenatal Carrier *
Aarhus University Hospital, Department of Clinical Genetics - Aarhus, Denmark• Methylation analysis
• Deletion/duplication analysis
  
Academic Medical Centre, University of Amsterdam, DNA Diagnostics Laboratory - Amsterdam, Netherlands• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
  
Akron Children's Hospital, Cytogenetics Laboratory - Akron, OH, USA• FISH-metaphase
 
Akron Children's Hospital, Molecular Diagnostic Laboratory - Akron, OH, USA• Methylation analysis
 
Alberta Children's Hospital, Molecular Diagnostic Laboratory - Calgary, Canada• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
All Children's Hospital, Clinical Molecular Genetics Laboratory - St. Petersburg, FL, USA• Methylation analysis
• Uniparental disomy study (UPD)
 
Ambry Genetics Corp, Ambry Genetics - Aliso Viejo, CA, USA• Methylation analysis
 
ARUP Laboratories, Inc., Cytogenetics Laboratory - Salt Lake City, UT, USA• FISH-metaphase
 
ARUP Laboratories, Molecular Genetics Laboratory - Salt Lake City, UT, USA• Methylation analysis
 
BayCare Laboratories, LLC, BayCare Cytogenetics Laboratory - Tampa, FL, USA• FISH-metaphase
 
Baylor College of Medicine, Medical Genetics Laboratories - Houston, TX, USA• Methylation analysis
• FISH-metaphase
 
bio.logis Center for Human Genetics - Frankfurt, Germany• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
BioAnalytica-GenoType S.A., Molecular Cytogenetic Research and Applications Lab - Athens, Greece• Methylation analysis
• FISH-metaphase
 
Biyolojik Bilimler Arastirma Gelistirme ve Uretim AS, Duzen Laboratuvarlar Grubu - Istanbul, Turkey• FISH-metaphase
 
Boston Children's Hospital, Genetics Diagnostic Laboratory - Waltham, MA, USA• Methylation analysis
• Deletion/duplication analysis
 
Brigham and Women's Hospital, Center for Advanced Molecular Diagnostics, Cytogenetics Laboratory - Boston, MA, USA• FISH-metaphase
 
Burc Molecular Genetics Laboratory - Istanbul, Turkey• Methylation analysis
 
Center for Genetics at Saint Francis, Genetics Laboratory - Tulsa, OK, USA• Methylation analysis
• FISH-metaphase
 
Center for Human Genetics, Bioscientia GmbH - Ingelheim, Germany• Methylation analysis
 
Center for Human Genetics, Inc - Cambridge, MA, USA• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
• Deletion/duplication analysis
 
Centogene AG, Rare Disease Company - Rostock, Germany• Sequence analysis of the entire coding region
• Methylation analysis
• Deletion/duplication analysis
 
Centre Hospitalier de Versailles, Batiment EFS, Unit de Gntique Constitutionnelle - Le Chesnay, France• Methylation analysis
 
CGC Genetics - Porto, Portugal• Methylation analysis
• FISH-metaphase
• FISH-interphase
• Deletion/duplication analysis
 
CGC Genetics USA, Cytogenetics and Molecular Diagnostics Lab - Newark, NJ, USA• FISH-metaphase
• FISH-interphase
• Deletion/duplication analysis
 
Children's Hospital and Research Center Oakland, Molecular Genetics - Oakland, CA, USA• Methylation analysis
 
Children's Hospital of Eastern Ontario, Molecular Genetics Diagnostic Laboratory - Ottawa, Canada• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
Children's Hospital of Philadelphia, Molecular Genetics Laboratory - Philadelphia, PA, USA• Methylation analysis
 
Children's Mercy Hospital and Clinics, Molecular Genetics Laboratory - Kansas City, MO, USA• Methylation analysis
• Deletion/duplication analysis
 
Children's University Hospital, Human Genetics - Berne, Switzerland• Methylation analysis
• Deletion/duplication analysis
 
Cincinnati Children's Hospital Medical Center, Cytogenetics Laboratory - Cincinnati, OH, USA• Methylation analysis
• FISH-metaphase
 
Cincinnati Children's Hospital Medical Center, Molecular Genetics Laboratory - Cincinnati, OH, USA• Methylation analysis
 
CytoGenX - Stony Brook, NY, USA• FISH-metaphase
 
Dayton Children's Medical Center, Molecular and Biochemical Genetics Laboratory - Dayton, OH, USA• Methylation analysis
 
Detroit Medical Center University Laboratories, Molecular Genetics Diagnostic Laboratory - Detroit, MI, USA• Methylation analysis
 
Diagnostic Services of Manitoba, Health Sciences Centre site, Molecular Diagnostic Laboratory - Winnipeg, Canada• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
Dr. Eberhard and Partner, MVZ Dortmund - Dortmund, Germany• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
Duke University Health System, Molecular Diagnostics Laboratory - Durham, NC, USA• Methylation analysis
 
Emory University School of Medicine, Emory Molecular Cytogenetics Laboratory - Atlanta, GA, USA• Methylation analysis
• FISH-metaphase
• FISH-interphase
• Deletion/duplication analysis
 
Emory University School of Medicine, Emory Molecular Genetics Laboratory - Atlanta, GA, USA• Methylation analysis
 
GENDA - Ciudad autonoma de Buenos Aires, Argentina• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
GeneDx - Gaithersburg, MD, USA• Methylation analysis
• FISH-metaphase
• FISH-interphase
 
GENETAQ, Molecular Genetics Centre - Malaga, Spain• Methylation analysis
• Uniparental disomy study (UPD)
 
Genetic Diagnosis and Research Center, Genetiks - Istanbul, Turkey• FISH-metaphase
• FISH-interphase
 
Genetics Associates, Inc. - Nashville, TN, USA• FISH-metaphase
 
GENETIX Centro de Investigación en Genética Humana y Reproductiva - Bogota, Colombia• FISH-metaphase
• FISH-interphase
 
Greenwood Genetic Center, Clinical Cytogenetics Laboratory - Greenwood, SC, USA• FISH-metaphase
• FISH-interphase
 
Greenwood Genetic Center, Molecular Diagnostic Laboratory - Greenwood, SC, USA• Methylation analysis
• Uniparental disomy study (UPD)
 
Health Care Center GENOMED, Laboratory of Human Genetics - Warsaw, Poland• Methylation analysis
 
Hospital Clinico Universidad de Chile, Citogenetica Seccion Genetica - Santiago, Chile• FISH-metaphase
• FISH-interphase
 
Hospital for Sick Children, Molecular Genetics Laboratory - Toronto, Canada• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
Indiana University Medical Center, School of Medicine, Indiana University Molecular Genetics Diagnostic Laboratory - Indianapolis, IN, USA• Methylation analysis
• Deletion/duplication analysis
 
Indiana University School of Medicine, Cytogenetics Laboratory - Indianapolis, IN, USA• FISH-metaphase
 
Instituto de Medicina Genmica, IMEGEN - Paterna, Spain• Linkage analysis
• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
INTA University of Chile, Molecular Cytogenetic Laboratory - Santiago, Chile• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
• FISH-interphase
• Deletion/duplication analysis
 
Integrated Genetics, Cytogenetics and Biochemistry Laboratory - Santa Fe, NM, USA• FISH-metaphase
 
Integrated Genetics, Molecular Cytogenetics Laboratory - Monrovia, CA, USA• FISH-metaphase
 
Integrated Genetics, Molecular Diagnostic Laboratory - Westborough, MA, USA• Methylation analysis
 
Karolinska University Hospital, Department of Clinical Genetics - Stockholm, Sweden• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
• FISH-interphase
• Deletion/duplication analysis
 
LabCorp, Clinical Cytogenetics Laboratory - Research Triangle Park, NC, USA• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
• FISH-interphase
 
LabCorp, Molecular Biology - Research Triangle Park, NC, USA• Methylation analysis
 
LabCorp/Dynacare Laboratories - Seattle, Molecular Cytogenetics - Seattle, WA, USA• FISH-metaphase
• FISH-interphase
 
LabPLUS - Auckland City Hospital, Molecular Genetics Laboratory - Diagnostics Genetics - Auckland, New Zealand• Methylation analysis
• Deletion/duplication analysis
 
Maastricht University Medical Centre, Clinical Genomics - Maastricht, Netherlands• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
Marquette General Health System, Cytogenetics and Molecular Pathology Laboratory - Marquette, MI, USA• FISH-metaphase
• FISH-interphase
 
Mayo Clinic - Minnesota, Cytogenetics Laboratory - Rochester, MN, USA• FISH-metaphase
• FISH-interphase
 
Mayo Clinic - Minnesota, Molecular Genetics Laboratory - Rochester, MN, USA• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
McGill University Health Centre, Molecular Genetics Laboratory - Montreal, Canada• Methylation analysis
• Uniparental disomy study (UPD)
 
Medgene, MedGene - Bratislava, Slovakia• Methylation analysis
 
Mercy St. Vincent Medical Center, Cytogenetics and Molecular Genetics Laboratory - Toledo, OH, USA• Methylation analysis
• FISH-metaphase
• FISH-interphase
 
MGZ München, Medizinisch Genetisches Zentrum Mnchen - München, Germany• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
 
Michigan State University, Clinical Genetics Laboratory - East Lansing, MI, USA• Methylation analysis
• FISH-metaphase
• FISH-interphase
 
Mission Hospital, Fullerton Genetics Center - Asheville, NC, USA• Methylation analysis
 
Mount Sinai School of Medicine, Mount Sinai Genetic Testing Laboratory - Cytogenetics and Cytogenomics Lab - New York, NY, USA• FISH-metaphase
• FISH-interphase
 
National University Hospital, Molecular Diagnosis Centre - Department of Laboratory Medicine - Singapore, Singapore• Methylation analysis
 
Nationwide Children's Hospital, ChildLab Cytogenetics Laboratory - Columbus, OH, USA• Methylation analysis
• FISH-metaphase
 
Nationwide Children's Hospital, ChildLab Molecular Genetics Laboratory - Columbus, OH, USA• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
 
New Jersey Medical School, Institute of Genomic Medicine - Newark, NJ, USA• Methylation analysis
• FISH-metaphase
 
North York General Hospital, Molecular Genetics Laboratory - Toronto, Canada• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
Nucleo de Genetica Medica de Minas Gerais, GENE - Belo Horizonte, Brazil• Methylation analysis
• Uniparental disomy study (UPD)
 
Oregon Health and Science University, Knight Diagnostic Laboratories - Molecular Diagnostic Center - Portland, OR, USA• Methylation analysis
 
Pathology Associates Medical Laboratories, Cytogenetics Laboratory - Spokane, WA, USA• FISH-metaphase
• FISH-interphase
 
PerkinElmer, Signature Genomic Laboratories - Spokane, WA, USA• FISH-metaphase
 
Praxis fuer Humangenetik Wien - Vienna, Austria• Methylation analysis
 
Providence Sacred Heart Medical Center and Children's Hospital, Department of Laboratory Medicine/Molecular Diagnostic Division - Spokane, WA, USA• Methylation analysis
 
Quest Diagnostics Nichols Institute - California, Cytogenetics Laboratory - San Juan Capistrano, CA, USA• Methylation analysis
• FISH-metaphase
 
Quest Diagnostics Nichols Institute - Virginia, Cytogenetics Laboratory - Chantilly, VA, USA• FISH-metaphase
 
Quest Diagnostics Nichols Institute - Virginia, Molecular Genetics Laboratory - Chantilly, VA, USA• Methylation analysis
 
Radboud University Nijmegen Medical Centre, Genome Diagnostics Nijmegen - Nijmegen, Netherlands• Methylation analysis
• Deletion/duplication analysis
 
Rush University Medical Center, Genetics Laboratory - Department of Pathology - Chicago, IL, USA• Methylation analysis
• FISH-metaphase
 
Samsung Medical Center, Department of Laboratory Medicine and Genetics - Seoul, South Korea• Methylation analysis
• FISH-metaphase
 
Seattle Children's Hospital, Biochemical and Molecular Genetics Laboratories - Seattle, WA, USA• Methylation analysis
 
Seattle Children's Hospital, Cytogenetics - Seattle, WA, USA• FISH-metaphase
 
Seoul National University Hospital, Molecular Diagnostics Laboratory - Seoul, South Korea• Methylation analysis
 
Shafallah Medical Genetics Center, SMGC Laboratory - Doha, Qatar• Methylation analysis
• Deletion/duplication analysis
 
Shodair Children's Hospital, Genetics Laboratory - Helena, MT, USA• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
• FISH-interphase
• Deletion/duplication analysis
 
Sir Ganga Ram Hospital, Center of Medical Genetics - New Delhi, India• Methylation analysis
• FISH-metaphase
• FISH-interphase
 
Sistemas Genomicos, Medical Genetics Unit - Paterna, Spain• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
• FISH-interphase
• Deletion/duplication analysis
 
Stanford Clinical Laboratories, Molecular Pathology Laboratory - Palo Alto, CA, USA• Targeted mutation analysis
 
SUNY Upstate Medical University, Cytogenetics Laboratory - Syracuse, NY, USA• FISH-metaphase
 
Synlab MVZ Humane Genetik Mnchen, Labor fr Humangenetik - München, Germany• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
Tulane University School of Medicine, Hayward Genetics Center Cytogenetics Lab - New Orleans, LA, USA• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
 
Tulane University School of Medicine, Hayward Genetics Center Molecular Diagnostics Laboratory - New Orleans, LA, USA• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
 
UMass Memorial Medical Center, Cytogenetics Laboratory - Worcester, MA, USA• FISH-metaphase
 
United States Air Force, DNA Diagnostic Laboratory - Keesler AFB, MS, USA• Methylation analysis
• FISH-metaphase
• FISH-interphase
 
University Children's Hospital, Labor Molekulargenetik, Abteilung Medizinische Genetik - Basel, Switzerland• Methylation analysis
• Uniparental disomy study (UPD)
 
University Hospital Lausanne, DNA Diagnostic Laboratory - Service de Génétique Médicale - Lausanne, Switzerland• Methylation analysis
 
University Hospital of Antwerp, Department of Medical Genetics - Wuyts Lab - Edegem, Belgium• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
• Deletion/duplication analysis
 
University Hospitals - University Hospitals Laboratory Service Foundation, Center for Human Genetics Laboratory - Cleveland, OH, USA• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
 
University of Alberta, Molecular Diagnostic Laboratory - Edmonton, Canada• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
University of California Davis Health System, Molecular Diagnostic Laboratory - Sacramento, CA, USA• Targeted mutation analysis
 
University of California, Irvine, MitoMed Diagnostic Laboratory - Irvine, CA, USA• Methylation analysis
 
University of California, San Francisco, Molecular Diagnostics Laboratory - San Francisco, CA, USA• Methylation analysis
 
University of Chicago, Genetic Services Laboratory - Chicago, IL, USA• Methylation analysis
• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
University of Colorado Anschutz Medical Campus, Colorado Genetics Laboratory - Denver, CO, USA• FISH-metaphase
• FISH-interphase
 
University of Connecticut Health Center, Human Genetics Laboratory - Farmington, CT, USA• FISH-metaphase
• FISH-interphase
 
University of Iowa Hospitals and Clinics, Department of Pathology - Iowa City, IA, USA• Methylation analysis
• Deletion/duplication analysis
 
University of Michigan, Michigan Medical Genetics Laboratories - Ann Arbor, MI, USA• Methylation analysis
 
University of Nebraska Medical Center, Human Genetics Laboratory, Munroe-Meyer Institute - Omaha, NE, USA• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
• FISH-interphase
 
University of North Carolina Hospitals, Molecular Genetics - Chapel Hill, NC, USA• Methylation analysis
 
University of Oklahoma Health Sciences Center, Genetics Laboratory - Oklahoma City, OK, USA• Methylation analysis
• Uniparental disomy study (UPD)
• FISH-metaphase
• FISH-interphase
 
University of Turku, Diagnostic DNA Laboratory - Turku, Finland• Uniparental disomy study (UPD)
• Deletion/duplication analysis
 
University of Washington Medical Center, Cytogenetics Laboratory - Seattle, WA, USA• FISH-metaphase
 
University of Wisconsin - Madison / WSLH, UW Cytogenetic Services - Madison, WI, USA• Methylation analysis
• FISH-metaphase
• FISH-interphase
• Deletion/duplication analysis
 
Washington University School of Medicine - Department of Pathology and Immunology, Clinical Genomics Laboratory - Saint Louis, MO, USA• FISH-metaphase
 
Washington University School of Medicine, Molecular Diagnostic Laboratory - St. Louis, MO, USA• Methylation analysis
• Deletion/duplication analysis
 
Yale University School of Medicine, DNA Diagnostics Laboratory - New Haven, CT, USA• Methylation analysis
 

* Carrier column is relevant to autosomal recessive and X-linked inheritance; column will be blank when it is not relevant (e.g. autosomal dominant inheritance, microdeletions/duplications) and/or is not offered by the lab.

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