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| 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, Free and Total
Test Code6712
CPT Codes
84480, 84481
Preferred Specimen
1 mL serum collected in a serum separator tube (SST)
Minimum Volume
0.6 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 60 days
Refrigerated: 14 days
Frozen: 60 days
Methodology
Chemiluminescence Assay
Setup Schedule
Set up: Mon-Sat; Report available: 1-4 days
Reference Range
| T3, Free | ||
| <1 year: | Not established | |
| 1-9 years: | 3.4 - 5.1 | pg/mL |
| 10-13 years: | 3.4 - 4.8 | pg/mL |
| 14-18 years: | 2.9 - 4.6 | pg/mL |
| >18 years: | 2.3 - 4.2 | pg/mL |
| T3, Total | ||
| <4 years: | Not established | |
| 4-9 years: | 104 - 190 | ng/dL |
| 10-13 years: | 94 - 213 | ng/dL |
| 14-17 years: | 84 - 179 | ng/dL |
| ≥18 years: | 76 - 181 | ng/dL |
