The global Rare Disease Genetic Testing Market size was valued at USD 1.3 billion in 2025 and is projected to grow from USD 1.5 billion in 2026 to USD 3.9 billion by 2033, registering a CAGR of 14.9% from 2026 to 2033. North America accounted for the largest revenue share of 46.7% in 2025, supported by advanced genomic research, widespread adoption of next-generation sequencing (NGS),...