Sodium Diatrizoate Hydrate segmentation by application reveals five principal usage clusters that together drive the market’s revenue profile. Radiographic imaging, encompassing conventional X‑ray examinations of the gastrointestinal tract and vascular system, accounts for roughly 30 % of total sales, reflecting its long‑standing clinical adoption and relatively low per‑procedure cost. Computed tomography (CT) represents the largest share at about 35 %, as the higher iodine density of the agent improves contrast resolution in cross‑sectional scans, prompting hospitals to prioritize bulk procurement. Angiography, used for arterial and venous mapping, contributes around 20 %, with demand closely tied to interventional radiology growth and reimbursement trends. Myelography, a niche spinal‑cord imaging technique, holds an estimated 10 % share, limited by the emergence of MRI alternatives but sustained by specific neurosurgical indications. Finally, urography—contrast‑enhanced imaging of the urinary tract—remains a small segment at 5 %, driven by declining use in favor of non‑contrast CT urography. The proportional distribution of these applications directly determines the overall market size, as each segment’s unit price and volume dictate revenue contribution.