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HelpTest Code LAB4197 T3, Total (Triiodothyrone)
Specimen Type
Preferred Sample: Lithium Heparin Plasma (Green/Mint Top)
Alternative Sample: Serum (SST, Gold, Tiger, Red Top NO GEL)
Specimen Volume
1 mL
Minimum Volume
0.5 mL
microtainer 0.2mL
Turnaround Time
STAT: 1 hour
Routine: 4 hours
Test Schedule
Daily
Sample Stability
Refrigerated: 6 days
Method
Chemiluminescent microparticle immunoassay (CMIA)
Reference Ranges
| Age | Female | Male |
| < 4 days | None | None |
| 4 days to 1 year | 85-234 ng/dL | 85-234 ng/dL |
| 1 year to 12 years | 113-189 ng/dL | 113-189 ng/dL |
| 12 years to 15 years | 98-176 ng/dL | 98-176 ng/dL |
| 15 years to 17 years | 93-142 ng/dL | 94-156 ng/dL |
| 17 Years to 19 Years | 90-168 ng/dL | 90-168 ng/dL |
| >19 years | 35-193 ng/dL | 35-193 ng/dL |
Reporting Limit
Measuring and Reporting range: 40.0-600.0 ng/dL
Synonyms
TOTAL, TRIIODOTHYRONINE, TRI-IODOTHYRONINE, HORMONE, THYROID, T3, LAB4197
CPT Codes
84480