CPT/HCPCS
84443
Order Code
CH664
Turnaround Time
24 hours
Test Includes
TSH, Free T4
Specimen Requirements
Specimen Source
Serum, Plasma
Transport Container
(Specimen Container)
(Specimen Container)
SST (Tiger Top)/ Lithium Heparin/ Sodium Heparin/ Potassium EDTA
Preferred Specimens
Serum
Minimum Volume (uL)
.5 mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport Refrigerated (cold packs)
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | Unacceptable |
| Refrigerated | 7 days |
| Frozen | If testing will be delayed more than 6 days, specimens should be frozen at -10°C or colder |
Test Details
Methodology
See individual test
Clinical Significance
See individual test
Reference Ranges
See individual test
