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

Chromosomal Microarray (SNP-Oligo)

Test Overview

CPT Code(s)

81229

 

Methodology

DNA extraction / Hybridization / Data Analysis

 

Specimen Requirements

 

 

PERIPHERAL BLOOD

AMNIOTIC FLUID

BONE MARROW

POC

TUMOR

Container

EDTA

Sterile leak-proof tubes

EDTA

Transport Media / Saline

Transport Media / Saline

Optimal Quantity

3-5 mL

10-20 mL

2-3 mL

Villi / 23 cM tissue

23 cM tissue

Minimum Quantity

2 mL

5 mL

1 mL

Villi / 13 cM tissue

13 cM tissue

Storage

Room Temperature

(>8 hrs – refrigerate)

Room Temperature

(>8 hrs – refrigerate)

Room Temperature

(>8 hrs – refrigerate)

Room Temperature

(>8 hrs – refrigerate)

Room Temperature

(>8 hrs – refrigerate)

Transport

Avoid freezing or heating over 35oC

Avoid freezing or heating over 35oC

Avoid freezing or heating over 35oC

Avoid freezing or heating over 35oC

Avoid freezing or heating over 35oC

Turnaround time

7-14 days

7-14 days

7-14 days

14-28 days

14-28 days

 

Turnaround Time

10-14 days