Test Code TSH3GR TSH with reflexive Free T4

Important Note

Hospital Ordering Code
LAB5113 TSH WITH FREE T4 REFLEX

Submit only 1 of the following specimens:

Specimen Type: Plasma

Container/Tube: Green top (lithium heparin)

Specimen Volume: 0.5 mL

Additional Information: Label specimen appropriately (plasma).

Specimen Type: Serum

Container/Tube: Serum gel

Specimen Volume: 0.5 mL

Additional Information: Label specimen appropriately (serum).

84443 TSH

84439 T4 Free (if reflexes)

Unity Point-Sioux City-Chemistry

Electrochemiluminescence

Ambient Stability:

8 days

Refrigerated Stability:

14 days

Frozen Stability:

24 months. ***Freeze only once***

Daily