Prenatal aneuploidy interphase FISH
GTR Test Accession: Help GTR000611989.2
INHERITED DISEASESYNDROMIC DISEASEENDOCRINOLOGY ... View more
Last updated in GTR: 2024-07-11
Last annual review date for the lab: 2024-07-11 LinkOut
At a Glance
Diagnosis; Risk Assessment
Down syndrome; Anomaly of sex chromosome; Complete trisomy 13 syndrome more...
Cytogenetics - FISH-interphase: Fluorescence in situ hybridization (FISH)
Rapid detection of aneuploidy involving chromosomes X, Y, 13, 18, …
Not provided
Not provided
Ordering Information
Offered by: Help
ARUP Laboratories, Cytogenetics and Genomic Microarray
View lab's website
View lab's test page
Specimen Source: Help
  • Amniotic fluid
  • Chorionic villi
Who can order: Help
  • Health Care Provider
Test Order Code: Help
Chromosome FISH, Prenatal (amniotic fluid) - test code 2002297;
Contact Policy: Help
Laboratory can only accept contact from health care providers. Patients/families are encouraged to discuss genetic testing options with their health care provider.
How to Order: Help
This test must be ordered using a Cytogenetic test request form 43098 or through your ARUP interface. Please submit the Patient History for Prenatal Cytogenetics form with the electronic packing list (https://ltd.aruplab.com/Tests/Pdf/65).
Informed consent required: Help
Decline to answer
Pre-test genetic counseling required: Help
Decline to answer
Post-test genetic counseling required: Help
Decline to answer
Recommended fields not provided:
Conditions Help
Total conditions: 8
Condition/Phenotype Identifier
Test Targets
Chromosomal regions/Mitochondria Help
Total chromosomal regions/mitochondria: 1
Chromosomal region/Mitochondrion Associated condition
Methodology
Total methods: 1
Method Category Help
Test method Help
Instrument *
FISH-interphase
Fluorescence in situ hybridization (FISH)
* Instrument: Not provided
Clinical Information
Test purpose: Help
Diagnosis; Risk Assessment
Target population: Help
Rapid detection of aneuploidy involving chromosomes X, Y, 13, 18, and 21 in prenatal samples. Assay offered in conjunction with chromosome study.
Variant Interpretation:
Are family members with defined clinical status recruited to assess significance of VUS without charge? Help
Decline to answer.

Will the lab re-contact the ordering physician if variant interpretation changes? Help
Decline to answer.
Recommended fields not provided:
Technical Information
Availability: Help
Tests performed
Entire test performed in-house
Analytical Validity: Help
FISH validation studies have demonstrated greater than 99% analytical sensitivity for detecting aneuploidy of chromosomes 13, 18, 21, X and Y.
Proficiency testing (PT):
Is proficiency testing performed for this test? Help
Yes

Method used for proficiency testing: Help
Intra-Laboratory
Recommended fields not provided:
Regulatory Approval
FDA Review: Help
Not provided
Additional Information

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