Sex Hormone Binding Globulin Mnemonic SHBG Synonym SHBG Guidelines For specific testing guidelines please refer to: SHBG and Free/Total Testosterone Methods Specimen Collection Requirements Collect Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube Supply Item Number - 101235 or 101192 Handling Allow serum tubes to clot completely at room temperature (minimum - SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells ASAP. Preferred Volume 1.0 mL Serum Minimum Volume 0.3 mL Serum (0.8 mL minimum whole blood draw) Transport Refrigerated (2-8°C) Rejection Criteria Grossly hemolyzed or plasma specimens Stability AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 4 hours; Refrigerated (2-8°C): 6 days; Frozen (≤ -20°C): 1 month Testing Information Performed 7 days/week Reported 24 hours Method Chemiluminescent Immunoassay Reference Values Reference Values Gender Age Range Female 0 - 60 years 11.0 – 180.0 nmol/L >60 years 24.0 – 159.0 nmol/L Male 0 – 49 years 15.0 – 94.0 nmol/L >49 years 15.0 – 113.0 nmol/L CPT Codes 84270 Last Updated: Thursday, February 11, 2021 08:17:01 PM Client Services: 503-413-1234