Clinical and Molecular Cytogenetics Laboratory

University of Texas Health Science Center | Department of Pathology, MSC-7750 | 7703 Floyd Curl Drive | San Antonio, TX 78229-3900


Test Name

Fluorescence In Situ Hybridization Amniotic Fluid

Test Overview

CPT Code(s)

88235-52, 88271x2, 88275, 88291





Specimen Requirements

Container: Two 15 ml sterile leak-proof conical tubes (discard 1st milliliter to avoid maternal cell contamination)

Optimal Quantity: 20-25 ml

Minimum Quantity: 10 ml

Storage: Room Temperature

Stability at Room Temperature: 8 hours, then refrigerate

Transportation: Avoid freezing or heating over 35OC


Turnaround Time

Final report in 24 hours for 90% of cases