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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