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Genetic Labs

Houston, Texas

Genetic Laboratory
Medical Genetics Laboratories
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Medical Genetics Test Details

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FISH Analysis - Prenatal Aneuploidy
Down Syndrome | Patau Syndrome | Edward's Syndrome | Turner Syndrome | Triple X Syndrome | Klinefelter Syndrome | 47XYY Syndrome
Test Information: Prenatal diagnosis. Please call regarding all prenatal samples.
Test Details
Test Code: 8410
Test Includes: This test detects numerical abnormalities of chromosomes 13, 18, 21, X and Y.

Special Notes: A normal aneuploidy screen does not rule out mosaicism for aneuploidy, structural rearranagements, or deletions of chromosomes. Chromosome analysis or Chromosomal Microarray Analysis is required on every patient sample referred for aneuploidy screening by FISH.
Technical Information
Methodology: FISH
Sample & Shipping Information
Test Requisition: Cytogenetics
Specimen Type: Amniotic Fluid
Requirements: Collect 20-30 cc of fluid in two sterile 15 ml conical centrifuge tubes. Discard the first 2 cc of fluid collected.
Shipping Conditions: Ship the sample at room temperature to the laboratory by overnight express. Specimen should arrive in the laboratory within 48 hrs of sample date. Specimen cannot be frozen.

Specimen Type: Cultured Amniocytes
Requirements: 2 T25 flask grown to 60-70% confluency.
Shipping Conditions: Ship the sample at room temperature to the laboratory by overnight express. Specimen should arrive in the laboratory within 48 hrs of sample date. Specimen cannot be frozen.

Specimen Type: Cultured CVS
Requirements: 2 T25 flask grown to 60-70% confluency.
Shipping Conditions: Ship the sample at room temperature to the laboratory by overnight express. Specimen should arrive in the laboratory within 48 hrs of sample date. Specimen cannot be frozen.

Specimen Type: CVS
Requirements: Collect 15+ mg CVS in sterile tissue culture media.
Shipping Conditions: Ship the sample at room temperature to the laboratory by overnight express. Specimen should arrive in the laboratory within 48 hrs of sample date. Specimen cannot be frozen.

Turn Around Time: 2 days
Billing Information
List Price: *For Insurance or Institutional Prices, please call.
CPT Codes: 88271x5, 88275x1, 88235x1, 88291x1


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