Laboratory - :
Chemistry
Tube Type:
Green top (lithium heparin) tube
Collection Volume:
500 uL microtainer; 1.5 mL macrotainer
Minimum Volume:
500 uL microtainer; 1.5 mL macrotainer
Preferred Volume:
500 uL microtainer; 1.5 mL macrotainer
Storage:
Shipping- Send Refrigerated; Storage- Refrigerated: 7 days; Frozen: 30 days
Availability:
24 hours/day, 7 days/week
Methodology:
Roche-ECLIA Competition principle
Additional Info:
Ref. range is age dependent; avail on patient report
Synonyms:
Free Thyroxine; Unbound T4
Test ID/Workstation :
T4FR
Tube Type:
Green top (lithium heparin) tube
Collection Volume:
500 uL microtainer; 1.5 mL macrotainer
Storage:
Shipping- Send Refrigerated; Storage- Refrigerated: 7 days; Frozen: 30 days
Availability:
24 hours/day, 7 days/week
Methodology:
Roche-ECLIA Competition principle
Additional Info:
Ref. range is age dependent; avail on patient report
Synonyms:
Free Thyroxine; Unbound T4