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