Collect

1.0 mL Plasma preferred. (Minimum Volume: 0.5 mL)


Tube Type: Green top - Yellow ring Lithium Heparin PST

Also acceptable: 1.0 mL Serum. (Minimum volume: 0.5 mL) / Tube Type: Gold SST

Performed

24 hours a day / 7 days a week

Performing Lab

Hospital Chemistry Dept, Copley Chemistry Dept

Reported

Same day as performed.

Synonyms

  • T4 Free
  • Legacy Test Number: 5301445

Reference Interval

0.62 - 1.60 ng/dL

Storage/Transport Temperature

Room temperature: Stable for 5 days.
Refrigerated: Stable for 7 days.


Outreach Courier Transport Temperature: Room temperature

CPT Codes

84439

Collection

Collect

1.0 mL Plasma preferred. (Minimum Volume: 0.5 mL)


Tube Type: Green top - Yellow ring Lithium Heparin PST

Also acceptable: 1.0 mL Serum. (Minimum volume: 0.5 mL) / Tube Type: Gold SST

Ordering

Performed

24 hours a day / 7 days a week

Performing Lab

Hospital Chemistry Dept, Copley Chemistry Dept

Reported

Same day as performed.

Synonyms

  • T4 Free
  • Legacy Test Number: 5301445
Result Interpretation

Reference Interval

0.62 - 1.60 ng/dL

Storage and Transport

Storage/Transport Temperature

Room temperature: Stable for 5 days.
Refrigerated: Stable for 7 days.


Outreach Courier Transport Temperature: Room temperature

Billing

CPT Codes

84439