The Clinical and Molecular Cytogenetics Laboratory

The Clinical and Molecular Cytogenetics Laboratory is a component of South Texas Reference Laboratories of the Department of Pathology at the UT Health San Antonio. The laboratory provides support services for faculty and staff of the UT Health San Antonio as well as services to surrounding hospitals, clinics and physicians. We are a full-service laboratory performing routine chromosome analysis (RCA) and Fluorescence In Situ Hybridization (FISH) testing for constitutional and acquired conditions using cutting-edge technology. To request courier service please contact client services at 210-567-6599.

Mission Statement

Our goal is to provide accurate and timely chromosome analysis for patients using state of the art techniques.

Test Menu


Constitutional Studies

Chromosome Analysis – BLOOD

Chromosome Analysis – AMNIOTIC FLUID

Chromosome Analysis – PRODUCTS OF CONCEPTION

Chromosome Analysis – SKIN


DiGeorge Syndrome

Prader-Willi Syndrome

Angelman Syndrome



Microarray Testing – SNP Oligo

Chromosomal Microarray (CytoScan® Dx Assay)

Chromosomal Microarray (CytoScan® HD Assay)

Acquired Studies

Chromosome Analysis – BONE MARROW

Chromosome Analysis – LEUKEMIC BLOOD

Chromosome Analysis – LYMPH NODE

Chromosome Analysis – SOLID TUMOR


AML/MDS              MPD

ALL                        B-cell Lymphoma

MM                        T-cell Lymphoma




*Probes used on panels may be ordered as single tests.

Service to Clients

A board certified clinical cytogeneticist is available to provide assistance with utilization of tests, interpretation for all cases and discussion of abnormal results with the referring physician. Final reports are sent to all referring physicians, hospitals and laboratories by secure email or facsimile. Preliminary reports are transmitted upon request and photographs of all karyotypes and FISH results are available upon request.

Reflex Testing CytoScan DX Assay (SNP Microarray)

Contact us

Clinical and Molecular Cytogenetics Laboratory
Department of Pathology Room 318C
7703 Floyd Curl Drive
San Antonio, Texas


Hours of Operation: 
8:00am to 5:00pm.

Patient care

For better patient care we optimize limited Multiple Myeloma Samples.

More About Samples