Thyroxine, Free by Equilibrium Dialysis
Abbrev Code: | FT4DL | ||
Order Code: | LAB6046 | Order Name: | Thyroxine, Free by Equilibrium Dialysis |
Synonyms: | Direct Dialysis (Triiodothyronine, Free by Equilibrium Dialysis/HPLC-Tandem Mass Spectrometry); FT4, T4, Free, Equilibrium Dialysis | ||
Methodology: | Equilibrium dialysis, High performance liquid chromatography-Tandem mass spectrometry | ||
CPT Codes: | 84439 x1 | ||
Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 2-5 days. | ||
Compliance: | For tests developed and validated by ARUP (previously referred to as Compliance Statement B, C or D). This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes. |
Collection Instructions
Specimen: | Blood |
Optimal Volume: | 4 mL |
Minimum\Peds Volume: | 0.8 mL |
Container: | Red (no gel) Alternate Containers: Red or gold (gel) |
Processing and Shipping
Specimen Processing: | Centrifuge and aliquot within 2 hours of collection, 2 mL, 0.3 mL minimum. Store in refrigerator. |
Shipping Instructions: | Ship at refrigerated temperature. |
Stability: | After separation from cells: 4 days at room temperature; 2 weeks refrigerated; 1 month frozen. |
Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
Referral Lab number: | 93244 |
Interpretive
Reference Range: |
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