The Iohexol Injection segmentation by application delineates four primary usage categories that together drive market volume. Computed tomography (CT) imaging accounts for the largest share, roughly 45 % of total demand, because Iohexol’s low‑osmolar profile enhances vascular contrast while minimizing nephrotoxicity, a critical factor in high‑throughput CT suites. Angiographic procedures, encompassing coronary, peripheral, and cerebral studies, represent about 30 % of usage; the agent’s rapid renal clearance and high iodine concentration enable clear vessel delineation essential for diagnostic and therapeutic interventions. Pediatric imaging contributes an estimated 15 %, reflecting clinicians’ preference for a non‑ionic contrast that reduces adverse events in children, especially in urography and CT scans. Finally, interventional radiology—including tumor ablation, embolization, and biopsy guidance—makes up the remaining 10 %, where precise, real‑time contrast enhancement is vital for procedural success. Each application segment not only defines a distinct clinical need but also quantifies its proportional impact on the overall Iohexol Injection market size.