Submission of a completed Prenatal Genetic Test Requisition Form is required. To access the form, please click on the Lab Form link at the bottom of this page.

To perform this test, please submit 5 mL amniotic fluid in addition to the amniotic fluid volume required for other testing requested on the sample (e.g., additional 15-20 mL required for chromosome analysis or microarray analysis). Amniotic fluid should be collected in a non-toxic, sterile container and transported at room temperature.

This test evaluates for numerical abnormalities of chromosomes 13,18, 21, X, and Y. This test is used to screen for common numerical chromosome abnormalities such as trisomy 13, trisomy 18, trisomy 21 (Down syndrome), monosomy X (Turner syndrome), triploidy and tetraploidy. This test is done by fluorescence in situ hybridization (FISH) analysis performed on direct (uncultured) amniotic fluid specimen, and interphase cells present in the specimen are analyzed. Result from this test becomes available within 2 business days from the time specimen is received by the laboratory. If weekend reporting is desired, please call the Cytogenetics Lab and speak with a laboratory genetic counselor to make special rearrangements. Because this test is a screening test, this test cannot be performed as a stand-alone test; this test MUST be performed along with other diagnostic cytogenetic test(s), such as amniotic fluid chromosome analysis and/or prenatal microarray analysis.

Submission of a completed Prenatal Genetic Test Requisition Form is required. To access the form, please click on the Lab Form link at the bottom of this page.

To perform this test, please submit 5 mL amniotic fluid in addition to the amniotic fluid volume required for other testing requested on the sample (e.g., additional 15-20 mL required for chromosome analysis or microarray analysis). Amniotic fluid should be collected in a non-toxic, sterile container and transported at room temperature.

This test evaluates for numerical abnormalities of chromosomes 13,18, 21, X, and Y. This test is used to screen for common numerical chromosome abnormalities such as trisomy 13, trisomy 18, trisomy 21 (Down syndrome), monosomy X (Turner syndrome), triploidy and tetraploidy. This test is done by fluorescence in situ hybridization (FISH) analysis performed on direct (uncultured) amniotic fluid specimen, and interphase cells present in the specimen are analyzed. Result from this test becomes available within 2 business days from the time specimen is received by the laboratory. If weekend reporting is desired, please call the Cytogenetics Lab and speak with a laboratory genetic counselor to make special rearrangements. Because this test is a screening test, this test cannot be performed as a stand-alone test; this test MUST be performed along with other diagnostic cytogenetic test(s), such as amniotic fluid chromosome analysis and/or prenatal microarray analysis.

This test evaluates for numerical abnormalities of chromosomes 13,18, 21, X, and Y. This test is used to screen for common numerical chromosome abnormalities such as trisomy 13, trisomy 18, trisomy 21 (Down syndrome), monosomy X (Turner syndrome), triploidy and tetraploidy. This test is done by fluorescence in situ hybridization (FISH) analysis performed on direct (uncultured) amniotic fluid specimen, and interphase cells present in the specimen are analyzed. Result from this test becomes available within 2 business days from the time specimen is received by the laboratory. If weekend reporting is desired, please call the Cytogenetics Lab and speak with a laboratory genetic counselor to make special rearrangements. Because this test is a screening test, this test cannot be performed as a stand-alone test; this test MUST be performed along with other diagnostic cytogenetic test(s), such as amniotic fluid chromosome analysis and/or prenatal microarray analysis.

Submission of a completed Prenatal Genetic Test Requisition Form is required. To access the form, please click on the Lab Form link at the bottom of this page.

To perform this test, please submit 5 mL amniotic fluid in addition to the amniotic fluid volume required for other testing requested on the sample (e.g., additional 15-20 mL required for chromosome analysis or microarray analysis). Amniotic fluid should be collected in a non-toxic, sterile container and transported at room temperature.

This test evaluates for numerical abnormalities of chromosomes 13,18, 21, X, and Y. This test is used to screen for common numerical chromosome abnormalities such as trisomy 13, trisomy 18, trisomy 21 (Down syndrome), monosomy X (Turner syndrome), triploidy and tetraploidy. This test is done by fluorescence in situ hybridization (FISH) analysis performed on direct (uncultured) amniotic fluid specimen, and interphase cells present in the specimen are analyzed. Result from this test becomes available within 2 business days from the time specimen is received by the laboratory. If weekend reporting is desired, please call the Cytogenetics Lab and speak with a laboratory genetic counselor to make special rearrangements. Because this test is a screening test, this test cannot be performed as a stand-alone test; this test MUST be performed along with other diagnostic cytogenetic test(s), such as amniotic fluid chromosome analysis and/or prenatal microarray analysis.