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GTR Home > Laboratories > Cytogenetics Laboratory

Cytogenetics Laboratory

GTR Lab ID: 505311, Last updated:2023-09-26


  • Director: Julie Biggerstaff, PhD, ABMGG Board Certified, FACMG, Diplomate of the American Board of, Lab Associate Director
    Email: juliasb@uw.edu
  • Director: Christine Disteche, PhD, ABMGG Board Certified, Diplomate of the American Board of Medica, Lab Associate Director
    Email: cdistech@uw.edu
  • Director: Yajuan Liu, PhD, ABMGG Board Certified, FACMG, Diplomate of the American Board of, Lab Director
    Phone: 206-685-1170
    Email: yajuan@uw.edu
  • Whitney Neufeld-Kaiser, MS, Certified Genetic counselor, CGC, Genetic Counselor
    Phone: 206-598-8684
    Fax: 206-598-2610
    Email: whitneyn@uw.edu
  • Chris Donovan, BS, CG(ASCP), Laboratory Supervisor
    Phone: 206-598-5037
    Email: chrisd19@uw.edu

Conditions and tests

  • 46,XX testicular disorder of sex development1 test
  • 46,XY disorder of sex development and 46,XY complete gonadal dysgenesis1 test
  • 4p partial monosomy syndrome1 test
  • 5p partial monosomy syndrome1 test
  • Acute lymphoid leukemia3 tests
  • Acute myeloid leukemia1 test
  • Advanced maternal age gravida2 tests
  • Angelman syndrome1 test
  • Anomaly of sex chromosome2 tests
  • Autosomal chromosomal disorder4 tests
  • B-cell chronic lymphocytic leukemia1 test
  • Breast neoplasm1 test
  • Chromosome 1p36 deletion syndrome1 test
  • Chromosome 22q11.2 microduplication syndrome1 test
  • Complete trisomy 13 syndrome3 tests
  • Complete trisomy 181 test
  • Complete trisomy 21 syndrome3 tests
  • Congenital chromosomal disease4 tests
  • Double Y syndrome3 tests
  • Ewing sarcoma1 test
  • Glioblastoma1 test
  • Hypogonadotropic hypogonadism 1 with or without anosmia1 test
  • Infertility disorder1 test
  • Klinefelter syndrome3 tests
  • Known OR suspected fetal abnormality affecting management of mother2 tests
  • Langer mesomelic dysplasia syndrome1 test
  • Leri-Weill dyschondrosteosis1 test
  • Lung carcinoma1 test
  • Maternal care for suspected chromosomal abnormality in fetus1 test
  • Miller Dieker syndrome1 test
  • Miscarriage2 tests
  • Multiple myeloma1 test
  • Myelodysplastic syndrome1 test
  • Myeloproliferative disorder1 test
  • Myeloproliferative disorder, chronic, with eosinophilia1 test
  • Non-Hodgkin lymphoma1 test
  • Prader-Willi syndrome1 test
  • Pregnancy loss, recurrent, susceptibility to, 11 test
  • SHOX-related short stature1 test
  • Smith-Magenis syndrome1 test
  • Triploidy3 tests
  • Trisomy 182 tests
  • Trisomy 221 test
  • Trisomy X syndrome3 tests
  • Turner syndrome3 tests
  • Velocardiofacial syndrome1 test
  • Williams syndrome1 test
  • X inactivation, familial skewed, 11 test
  • X-linked ichthyosis with steryl-sulfatase deficiency1 test

List of services

  • Clinical Testing/Confirmation of Mutations Identified Previously
  • Confirmation of research findings
  • Prenatal testing
  • Marker Chromosome Identification
  • Result interpretation

List of certifications/licenses


  • CLIAHelp, Number: 50D0661462, Expiration date: 2025-06-30
  • CAP, Number: #2463708, Expiration date: 2025-09-05


  • WA - Washington State Department of Health DOH, Number: MTSA.FS.00000587, Expiration date: 2025-06-30

Participation in external programs

Standardization programs

  • ISCA Consortium (International Standards for Cytogenomic Arrays)

Data exchange Programs

  • ICCG (International Collaboration for Clinical Genetics) - Previously ISCA

IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.