Application‑based Infusion Services segmentation captures therapeutic intent, with oncology, immunology, infectious disease, nutritional support, and pain management representing the principal categories. Oncology dominates the landscape, driven by high‑volume chemotherapy and emerging targeted‑therapy infusions, which together generate roughly 45% of market revenue due to complex administration protocols and extended treatment cycles. Immunology, encompassing biologics for autoimmune disorders, contributes about 20% as the prevalence of conditions such as rheumatoid arthritis rises and biosimilar uptake expands. Infectious disease applications, including antiviral and antibiotic infusions for resistant pathogens, account for 15% of the market, reflecting heightened demand for hospital‑based and home‑infusion solutions. Nutritional support, primarily parenteral nutrition for postoperative or critically ill patients, holds a 12% share, while pain management—focused on ketamine, lidocaine, and opioid infusions—represents the remaining 8%. This application breakdown underscores how therapeutic complexity and payer policies drive the overall market composition.