T3, free-388
Test info
T3, free
388
84481.0
T3F
Triiodothyronine
Specimen
Lithium heparin (Li hep) plasma
1.0 mL
0.4 mL
Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting
Spin within two (2) hours of sample collection
Lt green plasma separator (PST)
Serum
Immediatley following collection, mix sample by gently inverting 5 times
- Allow sample to clot for a minimum of 30 minutes
- Spin within two (2) hours of sample collection
Gold serum separator (SST) tube
Refrigerated (preferred) - 7 days
Ambient - 5 days
Frozen - 30 days
- Improper labels (unlabeled or mislabeled)
- Hemolysis (some procedures)
- Improper anticoagulant or ratio
- Delay in transport
- Improper storage temperature affecting results
- Improper container
- Leaking container resulting in compromised specimen
- Quantity not sufficient (QNS)
Performance
AHL - Chemistry: C
Daily
2 days
Electrochemiluminescence immunoassay (ECLIA)
Clinical and Interpretive info
| Adult > 19 yrs: | 2.0 - 4.4 pg/ml |
| 0 - 30 days: | 2.0 - 5.2 pg/ml |
| 30d - 1 year: | 1.5 - 6.4 pg/ml |
| 1yr - 7 yrs: | 2.0 - 6.0 pg/ml |
| 7 - 12 yrs: | 2.7 - 5.2 pg/ml |
| 12 - 19 yrs: | 2.3 - 5.0 pg/ml |
Billing
84481
Tracking
11/30/2001
05/02/2024
01/09/2024