Test Code FT4 T4 Free
Cerner Test Code
FT4
Acceptable Collection Tube(s) or Specimen
Preferred: GRN PST
Acceptable: Gold SST or Red Top
Specimen Draw Volume
Volume: 2.0 mL
Minimum Volume: 1.0 mL
Processing Instructions
Draw in a Green PST, centrifuge, and refrigerate.
Stability
Stability: Room Temp 8 hrs, Refrigerated 2 days, Frozen
Performed Test Frequency
Everyday
CPT(s)
84439
Methodology
Competitive immunoasay using direct chemiluminescent technology
Performing Location
MercyOne Des Moines Laboratory, Chemistry