CPT/HCPCS
84482
Order Code
CH265
Turnaround Time
7-10 days
Specimen Requirements
Specimen Source
Serum, Plasma
Transport Container
(Specimen Container)
(Specimen Container)
SST (Tiger Top)
Preferred Specimens
Serum
Minimum Volume (uL)
0.2mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport at Room Temperature
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | 7 days |
| Refrigerated | 7 days |
| Frozen | 30 days |
Reject Criteria
Unseparated serum (>48 hours on clot)
Serum in Serum Separator Tube (SST®) not separated from the gel within 24 hours
Special Instructions
Allow blood to clot at room temperature for 30 minutes. Centrifuge and separate the serum from cells immediately. Alternatively, collect blood in a gel barrier tube, allow to clot at room temperature, centrifuge and remove from gel within 24 hours
Test Details
Methodology
LC-MS
Reference Ranges
8 – 25 ng/dL
Alternative Names
rT3
