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Free T4
Lab code: FRT4
 
Test Synonyms:
Free T4; Thyroxine (free); fT4; T4 (free)
 
Lab:
Core Lab
Inpatient Req:
Core Lab (#84927)  
Outpatient Req:
Clinical Labs (#83608)  
Specimen:
Gold 5 ml
Result Time:
1-3 days   Cost: $$
Reference Interval:
0.9-1.8 ng/dL  
Neonatal/Pediatric:
Minimum Volume: 2 full microtainers
Neonatal/Pediatric tube: Red