| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
T3 Total (Triiodothyronine)
Test CodeT3 - NCMC
Alias/See Also
T3Total
T3T
T3 Total
T3T
T3 Total
CPT Codes
84480
Preferred Specimen
In-patient: 1 mL plasma from Green top (Lithium Heparin)
Out-patient: 1 mL serum from SST
Out-patient: 1 mL serum from SST
Minimum Volume
0.5 mL
Other Acceptable Specimens
1 mL serum from Red Top or SST
Transport Temperature
Refrigerate
Specimen Stability
| Specimen Type | Temperature | Time |
| Serum SST | Refrigerated | 48 hours |
| Serum SST | Frozen | >48 hours |
| Red Top – Separated* | Refrigerated | 48 hours |
| Red Top – Separated* | Frozen | >48 hours |
*Centrifuge and aliquot into a plastic vial.
Methodology
Competitive immunoassay using direct chemiluminescent technology.
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
0-2 years: 1.17 - 2.39 ng/mL
2-12 years: 1.05 - 2.07 ng/mL
12-18 years: 0.86 - 1.92 ng/mL
>18 years: 0.60 - 1.81 ng/mL
2-12 years: 1.05 - 2.07 ng/mL
12-18 years: 0.86 - 1.92 ng/mL
>18 years: 0.60 - 1.81 ng/mL
Performing Laboratory
North Colorado Medical Center Laboratory
