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TEST DESCRIPTION

TEST CODE

TSH

CPT CODE

84443

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

TSH

SYNONYMS

NA

COLLECTION

SPECIMEN

Whole Blood

COLLECTION CONTAINERS

Gold top tube (SST)

COLLECTION AMOUNTS

Preferred: 2.5mL
Minimum: 1.0mL

REJECTION CRITERIA

EDTA plasma, lipemic, hemolyzed, heat-inactivated and contaminated specimens are unacceptable.

PROCESSING

SPECIMEN PROCESSING INSTRUCTIONS

Allow specimen to clot 20-30 minutes, centrifuge, and IMMEDIATELY separate serum into transport tube. Contact with gel for > 2 hours should be avoided.

PROCESSING SPECIMENS

Serum

PROCESSED AMOUNTS

Preferred: 2.5mL
Minimum: 1.0mL

SHIPPING/TRANSPORT & STORAGE

STABILITIES/STORAGE

AMBIENT
REFRIGERATED
FROZEN

4 hour(s)
7 day(s)
1 month(s)

SHIPPING INSTRUCTIONS

Ship refrigerated