Segmentation by type classifies diagnostic solutions into distinct technological families, each addressing different clinical questions within the Peripheral Arterial Disease Diagnostics market. Imaging modalities—including duplex ultrasound, computed tomography angiography, and magnetic resonance angiography—provide anatomical visualization of arterial lumen and wall characteristics, underpinning procedural planning and outcome measurement. Physiological assessments such as ABI, toe‑brachial index, and pulse volume recording quantify hemodynamic impairment, offering rapid bedside evaluation and longitudinal tracking. Biomarker‑based tests detect circulating proteins or metabolites linked to endothelial dysfunction, supporting early detection and risk stratification beyond conventional measures. Molecular diagnostics explore genetic and epigenetic markers that may predict disease progression or therapeutic response, representing a nascent but high‑growth segment. The relative market contribution of each type reflects adoption barriers, reimbursement structures, and clinical evidence, with imaging and physiological assessments currently dominating, while biomarker and molecular niches are expanding as precision‑medicine initiatives mature.