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Condition



Test Name

Chromosomal Microarray - Affymetrix Cytoscan Optima low resolution genechip

Inclusive Genes



18,018 CNV probes and 148,450 SNP markers* *uniformly spaced over the genome with enhanced interrogation of 396 regions of prenatal interest 1. A minimum resolution of 1 MB for losses, 2 MB for gains, and 5 MB for LOH/AOH 2. Increased coverage density (25 markers/100 kb) in 396 empirically selected regions relevant for prenatal research

Specimen Type

Peripheral blood/Purified genomic DNA/Chorionic villus sample (CVS)/Amniotic fluid (AF)/Product of Conception (POC)

Container

Transportation Temperature

Peripheral Blood : 20-25⁰C Purified genomic DNA : Chorionic villus sample (CVS) : 2-8⁰C Amniotic fluid (AF) : 2-8⁰C Product of Conception (POC) : 2-8⁰C

Volume

Peripheral Blood : Minimum 3ml of peripheral blood Purified genomic DNA : minimum 1 microgram of DNA (concentration of 50-100ng/microliters) Chorionic villus sample (CVS) : 300-500mg of CVS Amniotic fluid (AF): Amniotic fluid of 15-20ml/T25 culture flask with 100% confluency minimum 100mg of POC

Methodology

Microarray

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