Home
HelpT3, Free by Equilibrium Dialysis
Additional Codes
Sendout information
Mayo test ID: ZW131 and Ref lab referral code: 36598
Performing Laboratory
Quest Diagnostics Nichols Institute
Methodology
Equilibrium Dialysis by RIA, Immunochemiluminescence
Specimen Requirements
Preferred Specimen(s)
1 mL serum
Specimen Type: Serum
Container/Tube: Plain red top
Specimen Volume: Full tube
Alternative Container/Tube: Gold top, serum gel
Specimen Minimum Volume: 0.5 mL
Specimen Transport Temperature
Separate and submit 1mL serum in plastic screw cap tube, shipped refrigerated.
Specimen Stability
- Room temperature: 4 days
- Refrigerated: 7 days
- Frozen: 28 days
Day(s) Test Set Up
Sun-Thurs; Report available: 5-7 days
Test Classification and CPT Coding
84480; 84481
Assay Category
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Reference Ranges
Free T3
|
1-9 Years |
282-518 pg/dL |
|
10-13 Years |
286-556 pg/dL |
|
14-17 Years |
242-501 pg/dL |
|
Adult |
210-440 pg/dL |
|
Pregnancy (all trimesters) |
200-380 pg/dL |
T3, Total
|
<1 Month |
Not established |
|
1-23 Months |
117-239 ng/dL |
|
2-12 Years |
105-207 ng/dL |
|
13-20 Years |
86-192 ng/dL |
|
>20 Years |
76-181 ng/dL |
Alternative Name(s)
Triiodothyronine,Free T3