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HelpTest Code LAB127 T4, FREE
Additional Codes
| Epic Code | Atlas Code | Mayo Access ID | Order LOINC | Legacy Code |
| LAB127 | FRET4 | FAH5788 | 3024-7 | FRET4 |
Specimen Information
| Container | Specimen | Temperature | Collect Vol | Submit Vol | Min Vol | Stability |
| SST | Serum | Refrigerate | 4 mL | 0.5 mL | 0.2 mL | 7 days |
*While a yellow microtainer is an optional tube type in rare circumstances, it is not recommended.
Test Schedule / Analytical Time / Test Priority
Daily / Same day / Available STAT
Method
Chemiluminescence Immunoassay
CPT(s)
| Description | CPT Code |
| T4, Free | 84439 |
Instrumentation
Ortho Vitros 5600
Reference Range
| Age | Sex | Low | High | Units |
| 0 - 15 days | All | 1.0 | 4.1 | ng/dL |
| 15 days - 1 month | All | 0.8 | 2.3 | ng/dL |
| 1 month - 4 months | All | 0.8 | 1.8 | ng/dL |
| 4 months - 1 year | All | 0.8 | 1.7 | ng/dL |
| 1 year - 18 years | All | 0.8 | 1.4 | ng/dL |
| ≥18 years | All | 0.8 | 2.2 | ng/dL |
Section
Chemistry-1
Performing Location
University of Vermont Medical Center
Is the UVMMC lab NY State Certified to perform this testing? Yes/No
Yes
Result Component(s)
| Reporting Name | Epic Code | Atlas Code | Mayo Access ID | LOINC |
| T4, Free | FRET4 | 3024-7 |