BGI VISTA™ Carrier Screening — Panel Comparison

For healthcare professionals · Delivered in the UAE by geneticlab

Feature	VISTA 10+	VISTA 170+	VISTA 1200+
Conditions	11	172	1,200+
Genes	13	164	1,200+
Variants covered	4,000+	10,000+	Gene-level (full coding)
Turnaround	21 working days	21 working days	26 working days
Typical indication	Essential high-incidence screen: thalassemias, SMA, cystic fibrosis, hereditary hearing loss	Guideline-aligned expanded screening for most couples	IVF / PGT-M pathways and couples wanting maximum coverage
Sample	Peripheral blood 2–5 mL (EDTA) or saliva kit
Method	Targeted-capture NGS on DNBSEQ-G99 / DNBSEQ-G400; TP-PCR and long-range PCR where indicated
Coverage	Coding regions ±30 bp, plus thalassemia introns and promoter regions
Variant types	SNVs, indels ≤20 bp, selected exon deletions and duplications

Optional add-ons

Fragile X syndrome — CGG repeat sizing in FMR1 by TP-PCR with fluorescence capillary electrophoresis.
Hemophilia A — F8 variants, including inversions, by targeted NGS with long-range PCR.