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Catalog ID CMiAr Chromosomal Microarray

Important Note

CPOE Order: Specimen Referral Misc - test comment "Chromosomal Microarray"

All orders for Chromosomal Microarray will be reviewed by Pathology and a Genetic Counselor prior for appropriate test selection prior to being sent to reference laboratory. Please make sure justification of test is documented in progress notes for both test review and insurance test coverage.

Specimen Requirements

Blood: 1 full purple top, EDTA tube

Buccal Swab: GeneDx Buccal Swab Collection Tube

Reference Range

Normal genomic profile

Causes for Rejection

Wrong specimen container, clotted specimen

Turn-Around-Time

10-15 days

Performing Laboratory

GeneDx

CPT Code

81310

Test Information

Chromosomal microarray testing detects size and gene content copy number variations, regions of homozygosity, and uniparental disomy. This testing is indicated on newborns, infants, and children with developmental delays/intellectual disability, congenital anomalies, dysmorphic features, and sometimes in autism and autism spectrum disorders.