The multi-organ transplant monitoring market was valued at USD 971.8 million in 2025 and is forecast to register a 9.3% CAGR between 2026 and 2036. In 2026, acute rejection detection holds 41.1% of application demand, kidney represents 39.6% of transplant type sales and donor-derived cell-free DNA (dd-cfDNA) accounts for 33.9% within the monitoring technology segment.