How to measure testosterone accurately in men
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 10, 2025 · 13 min read
Accurate testosterone measurement in men requires a morning serum (blood) testosterone test using validated lab methods, confirmed on at least two separate days before diagnosing “low T.” Here’s how timing, test type (total vs free), and common at-home kits can skew results and lead you toward the wrong next step. “If you get testosterone testing ...