TEST DESCRIPTION
TEST CODE
TESTO
CPT CODE
84403
EXPECTED TURNAROUND TIME
2-5 days
(TAT is the interval starting when a specimen and order are received in the laboratory and ends with release of the test result.) In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary. In the event that reflex testing is performed TAT turnaround times can be extended.
TEST INCLUDES
Total Testosterone
SYNONYMS
NA
COLLECTION
COLLECTION CONTAINERS
It is preferable but not required to collect sample between 06:00 AM and 10:00 AM. Reference ranges are based on samples collected in the morning. NOTE: If ordering provider approves non-morning draw, this should be noted in comments.
SPECIMEN
Whole Blood
COLLECTION CONTAINERS
Gold top tube (SST)
COLLECTION AMOUNTS
Preferred: 2.0mL
Minimum: 1.0mL
REJECTION CRITERIA
Specimens in EDTA plasma, hemolyzed, lipemic or bacterially contaminated samples are unacceptable.
PROCESSING
SPECIMEN PROCESSING INSTRUCTIONS
Allow serum specimen to clot for 20-30 minutes. Centrifuge to separate serum or plasma from cells. If using non-gel barrier tube, aliquot serum or plasma into transport tube. Refrigerate
PROCESSING SPECIMENS
Serum
PROCESSED AMOUNTS
Preferred: 1.0mL
Minimum: 0.5mL
PROCESSING CONTAINERS
Transfer tube(s)
SHIPPING/TRANSPORT & STORAGE
STABILITIES/STORAGE
AMBIENT
REFRIGERATED
FROZEN
Not recommended
7 day(s)
1 month(s)
SHIPPING INSTRUCTIONS
Ship refrigerated