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HelpTest Code T3 TRIIODOTHYRONINE (T3), TOTAL, SERUM
Performing Laboratory
NorDx Laboratories
Useful For
Evaluating patients with suspected hyperthyroidism and to a lesser extent hypothyroidism and indicating thyroid response to both stimulatory and suppressive tests
Method Name
Electrochemiluminescent Immunoassay (ECLIA)
Reference Values
80-200 ng/dL
Days and Times Test Performed
Monday through Sunday
Report Available
1 Day
Specimen Type
Serum
Preferred Container
Serum Separator Tube (SST)
Preferred Volume
Serum: 1 mL (Serum Separator Tube (SST))
Minimum Volume
Serum: 0.5 mL (Serum Separator Tube (SST))
Specimen Collection and Handling
Spin specimen, separate from clot and send refrigerated.
Specimen Stability Information
Specimen Type: Serum
Frozen: 1 Month
Refrigerated: 7 Days
Must be spun/separated within: 2 Hours
Advance Beneficiary Notice Requirements
No ABN Required
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 84480 | Triidothyronine T3, Total (TT-3), Quantitative |
Performing Laboratory Location
NorDx Laboratories
LOINC Code Information
3053-6
Clinical Significance
Thyroid hormones are responsible for the regulation of several metabolic, developmental and neurological activities within the body.
Keywords
T3 (TRIIODOTHYRONINE), TOTAL ONLY
TRIIODOTHYRONINE
Acceptable Alternative Container(s)
Plasma Separator Tube (PST)
Red Top Tube