Specimen requirements, transport, stability and collection directions for TESTOSTERONE TOTAL at LabX Diagnostic Systems, LLC. Log in for cash pricing.
🧪 Preferred specimen1 mL serum · Due to changes in testosterone levels throughout the day, two morning (8:00-10:00 a.m.) specimens obtained on different days are recommended by The Endocrine Society for screening.
🧫 TubeSST
📦 Transport / shippingSerum separator tube (SST) · Room temperature
⏱ StabilityRoom temperature: 5 days · Refrigerated: 7 days · Frozen: 21 days