体外诊断行业周报 2026.1.19-2026.1.23：政策与技术推动体外诊断行业渐企稳-20260125

Investment Rating - The report maintains an "Overweight" rating for the in vitro diagnostics industry [4][54]. Core Views - The in vitro diagnostics industry is stabilizing due to policy and technological advancements, including the accelerated integration of AI in diagnostics, the implementation of price reforms, and the stabilization of centralized procurement impacts [4][54]. - The report highlights the importance of focusing on specific growth areas within the industry, such as chemiluminescence in immunodiagnostics and PCR in molecular diagnostics, with companies like YHLO and Shengxiang Bio being recommended for attention [4][54]. Summary by Sections Industry Performance - The pharmaceutical and biological sector decreased by 0.39%, while the in vitro diagnostics sector increased by 0.42% during the week [1][20]. - The in vitro diagnostics sector's PE ratio is currently at 40.90X, with a recent increase of 0.17X, and the PB ratio is at 1.87X, up by 0.01X from the previous week [3][30]. Key Developments - AI diagnostics are evolving from auxiliary tools to core components of clinical processes, enhancing diagnostic efficiency and driving industry modernization [4][54]. - The Chongqing Medical Insurance Bureau has introduced a price reform draft for pathological services, which is expected to enhance the value recognition of diagnostic services [4][54]. - The impact of centralized procurement is stabilizing, with price pressures gradually easing and testing volumes expected to stabilize following the unbundling of service packages [4][54]. Company Performance - Notable companies in the medical services sector include Aotai Bio (+7.9%), Saikexide (+4.5%), and Mingde Bio (+4.0%), while underperformers include Rejing Bio (-8.7%) and Botuo Bio (-3.3%) [2][25]. - The report suggests that the domestic biochemical diagnostics sector has largely overcome foreign constraints, indicating a completed localization process [4][54].