TEST DESCRIPTION
TEST CODE
RVT3
CPT CODE
84482
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
Reverse T3
SYNONYMS
NA
COLLECTION
SPECIMEN
Whole Blood
COLLECTION CONTAINERS
Gold top tube (SST)
COLLECTION AMOUNTS
Preferred: 4.0mL
Minimum: 2.0mL
REJECTION CRITERIA
Grossly hemolyzed specimens are unacceptable.
PROCESSING
SPECIMEN PROCESSING INSTRUCTIONS
Allow serum specimen to clot completely at room temperature. Centrifuge specimen and separate serum or plasma from cells into a transport tube ASAP or within two hours of collection. Freeze.
PROCESSING SPECIMENS
Serum
PROCESSED AMOUNTS
Preferred: 2.0mL
Minimum: 0.7mL
PROCESSING CONTAINER
Transfer tube(s)
SHIPPING/TRANSPORT & STORAGE
STABILITIES/STORAGE
AMBIENT
REFRIGERATED
FROZEN
1 day(s)
7 day(s)
3 month(s)
SHIPPING INSTRUCTIONS
Ship frozen (use dry ice if necessary to prevent thawing).