The Complete Guide to Male Hormone Testing: What to Test and What the Results Mean

If you have ever had your testosterone checked, you may have received a single number and a “normal” or “low” verdict. But a single testosterone measurement tells only a fraction of the story. Comprehensive male hormone testing requires evaluating an interconnected network of hormones — each of which influences the others — to build a complete picture of your hormonal health. This guide explains exactly what should be measured, when, and what the results mean.

The Core Male Hormone Panel

Total Testosterone: The total concentration of testosterone in the blood, including protein-bound and free forms. Tested in the morning (7–10am) when levels peak. A baseline assessment. Free Testosterone: The biologically active, unbound fraction. Often calculated from total testosterone and SHBG using the Vermeulen formula, or directly measured via equilibrium dialysis. More clinically meaningful than total testosterone alone for symptomatic assessment. SHBG (Sex Hormone Binding Globulin): The protein that binds testosterone and renders it inactive. High SHBG dramatically reduces free testosterone even when total is adequate. Low SHBG increases testosterone availability but also accelerates its clearance. Estradiol (E2): The primary estrogen in men, produced largely through aromatization of testosterone. Both too high and too low estradiol produce symptoms. Sensitive estradiol assay (LC-MS/MS method) preferred over standard immunoassay for male testing. LH and FSH: Pituitary hormones that distinguish primary (testicular) from secondary (pituitary/hypothalamic) hypogonadism — critical for determining the appropriate treatment approach. Prolactin: Elevated prolactin suppresses LH and testosterone production; may indicate a pituitary adenoma requiring further investigation. IGF-1: The downstream marker of growth hormone activity. Low IGF-1 suggests growth hormone deficiency.

The Supporting Panel

Thyroid panel (TSH, Free T3, Free T4, reverse T3, TPO antibodies): Thyroid dysfunction is a major driver of symptoms that overlap with testosterone deficiency. Complete Blood Count (CBC): Hematocrit and hemoglobin baseline before TRT and monitoring for erythrocytosis during therapy. Comprehensive Metabolic Panel: Liver and kidney function, electrolytes, glucose. Fasting insulin and HbA1c: Insulin resistance assessment. Lipid panel: Cardiovascular risk assessment. PSA (Prostate Specific Antigen): Prostate cancer screening baseline and monitoring on TRT. DHEA-S: Adrenal androgen reserve. Vitamin D (25-OH): Nutritional support for testosterone production. Cortisol (morning): Adrenal function and stress hormone assessment.

When to Test

Baseline testing should be done fasting, in the morning (before 10am), on two separate occasions to confirm testosterone deficiency before initiating therapy. On TRT, labs are typically repeated at weeks 6–8 after initiation or any dose change, then every 6 months once stable. At Multigen Wellness, we coordinate all testing, interpret results in full clinical context, and use them to continuously optimize your protocol. Call +1 (800) 259-0015 to get properly tested and evaluated.