Invert tube 5-6 times to mix blood. Spin for 10 minutes at 1100-1300 g in a swing bucket unit or 15 minutes in a fixed angle. Remember to label aliquot with patient name, DOB, test and collect date. Ship spun Orange, Lt Green or Gold tube refrigerated.
Storage/Transport Temperature
Refrigerated serum/plasma
Stability (from collection to initiation)
Spun samples: Room Temperature: 8 hours; Refrigerated: up to 48 hours; Frozen: Greater than 48 hours
Ordering Recommendations
Testosterone is a steroid hormone produced in the ovary and testes. This hormone has androgenic properties; for males, it is responsible for development of the testis and prostate as well as secondary characteristics such as increased muscle and bone mass. The total testosterone test may be ordered when there are symptoms of abnormal development or as part of an evaluation for infertility.
Performed
Monday - Sunday; Days, Evenings, Nights
Methodology
Chemiluminescence
Reported
2-4 hours
Performing Lab
Chemistry
Synonyms
7332
TestoTot
Reference Chart
CPT Codes
84403
LOINC Codes
NAME
LOINC
Order
Testosterone Total Ser QN
2986-8
Result
Testosterone Total Ser QN
2986-8
Test Code (Outreach Synonym)
7332
Catalog Code
686475
Collection
Collect
Blood, Orange
Preferred Draw Volume
3 mL
Minimum Draw Volume
0.2 mL
Other Acceptable Containers
Gold, Lt Green
Pediatric Collection
1 microtainer
Unacceptable Conditions
Samples thawed more than twice.
Collection Comments
Invert tube 5-6 times to mix blood. Spin for 10 minutes at 1100-1300 g in a swing bucket unit or 15 minutes in a fixed angle. Remember to label aliquot with patient name, DOB, test and collect date. Ship spun Orange, Lt Green or Gold tube refrigerated.
Storage/Transport Temperature
Refrigerated serum/plasma
Stability (from collection to initiation)
Spun samples: Room Temperature: 8 hours; Refrigerated: up to 48 hours; Frozen: Greater than 48 hours
Ordering
Ordering Recommendations
Testosterone is a steroid hormone produced in the ovary and testes. This hormone has androgenic properties; for males, it is responsible for development of the testis and prostate as well as secondary characteristics such as increased muscle and bone mass. The total testosterone test may be ordered when there are symptoms of abnormal development or as part of an evaluation for infertility.
