According to a research report published by Spherical Insights, the global kidney/renal function test market size was worth around USD 1.70 billion in 2025 and is predicted to grow to around USD 3.12 billion by 2035 with a compound annual growth rate (CAGR) of 6.26% from 2026 to 2035. The global kidney/renal function test market is driven by rising prevalence of chronic kidney disease, diabetes, and hypertension, increasing awareness regarding early diagnosis, growing geriatric population, expanding preventive healthcare practices, and technological advancements in automated and point-of-care diagnostic testing solutions.