T4 Neonatal
Order Name
NEONAT T4
Test Number: 4501200
Revision Date 06/04/2021
Test Number: 4501200
Revision Date 06/04/2021
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
T4 Neonatal
|
Chemiluminescence Assay | 3026-2 |
| 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 | Specimen stability: Ambient 8 hours, Refrigerated 6 days, Frozen 6 days. | |||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon - Fri |
| Expected TAT | 1-3 days |
| Clinical Use | Useful for detection and monitoring of thyroid disease, note that normal values are much higher for newborns than for adults. |
| CPT Code(s) | 84437 |
| Lab Section | Chemistry |