Test Code 2500307 T4 FREE
Specimen Requirements
1.0 mL Serum or Heparanized Plasma
Specimen Stability Information
2 days 2-8°C
Reference Values
0.8 - 1.7 ng/dL
Day(s) Test Set Up
Monday through Sunday
CPT
84439
LOINC
3024-7
Methodology
Electrochemiluminescence