Chromosomal Microarray Testing

Providing Clinical Information

September 2011

As part of our effort to contribute quality phenotypic data to the ISCA database, a standard clinical information form was created. Ideally this would be completed for all patients for whom microarray testing is ordered. This information allows the laboratory to provide the best clinical interpretation of test results and is critical for maximizing the utility of the ISCA database. It is available online at mayomedicallaboratories.com.

While it is generally accepted that there is little to no risk to participating in the database, patients may opt-out without impacting their clinical testing by notifying the laboratory. This can be done at the time testing is ordered by indicating so on the order form or clinical information form, or by contacting the laboratory by phone or fax after testing is completed.

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Jump to section:

• Introduction
• History of Cytogenetic Testing
• History of Cytogenetic Testing
• Chromosomal Microarray Testing
• Chromosomal Microarray Data
• 180K Oligonucleotide Microarray
• Limitations of Chromosomal Microarray
• Human Copy Number Variation (CNV)
• Interpretation of Results
• When to Order a Microarray?
• Additional ACMG Recommendations
• Pretest Counseling
• Pretest Counseling
• Post-Test Follow-Up
• Post-Test Follow-Up
• Post-Test Follow-Up
• The International Standards for Cytogenomic Arrays (ISCA) Consortium
• The ISCA Consortium
• Providing Clinical Information
• Conclusions
• Mayo Clinic Cytogenetics Laboratory
• Questions?