Beyond application, the market is further dissected by type, a classification that reflects underlying detection technology and specimen matrix. Immunoassay kits, predominantly lateral‑flow devices, dominate due to low cost, ease of use, and rapid visual readout, thereby supplying the bulk of units across forensic and workplace settings. Chromatography‑based kits, which integrate thin‑layer or gas chromatography with mass spectrometry, command higher margins because of superior specificity and confirmatory capability, making them essential for clinical laboratories and law‑enforcement validation protocols. Within each technological class, specimen formats introduce sub‑segments: urine, the most common matrix, drives volume because of established collection protocols; saliva, gaining traction for roadside testing, adds growth potential despite a higher price point; hair, employed in long‑term exposure assessments, contributes a modest but high‑value niche. The interplay of technology and specimen choice determines unit pricing, adoption speed, and ultimately each type’s share of the overall market, reinforcing the relevance of a detailed market taxonomy for strategic planning.