Type segmentation disaggregates the Cell and Gene Therapy Manufacturing Quality Control market into three principal testing categories: In‑process testing, Release testing, and Stability testing. In‑process testing monitors critical parameters such as cell viability, vector titer, and contamination during manufacturing, directly influencing batch yield and upstream cost structures. Release testing constitutes the final compliance checkpoint, encompassing sterility, potency, identity, and purity assays that determine product licensure; its rigorous nature commands a sizable share of QC expenditures because each batch must satisfy regulatory thresholds before clinical use. Stability testing evaluates product integrity over defined storage intervals, guiding shelf‑life specifications and logistics planning; although less frequent than release assays, it drives long‑term market value through risk mitigation and post‑approval surveillance. Collectively, these types allocate resources proportionally to their risk profiles, shaping the overall market size for Cell and Gene Therapy Manufacturing Quality Control segmentation.