Thyroid Hormone Binding Ratio (T3 Uptake)
Order Name
T3UPTAKE
Test Number: 4502700
Revision Date 06/15/2018
Test Number: 4502700
Revision Date 06/15/2018
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Thyroid Hormone Binding Ratio (T3 Uptake)
|
Chemiluminescence Assay | 3050-2 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.5) | Serum | Clot Activator SST | Refrigerated |
| Alternate 1 | 1 mL (0.5) | Plasma | Lithium Heparin PST (Light Green Top) | Refrigerated |
| Instructions | Stability: Ambient 1 day. Refrigerated 14 days. Frozen 30 months. | |||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon - Fri |
| Expected TAT | 1-3 days |
| Clinical Use | Useful clinically for evaluation of thyroid function. |
| CPT Code(s) | 84479 |
| Lab Section | Chemistry |