T4 Free (FT4)
Also known as FT4
What it measures
- T4, FreeLOINC 3024-7
Specimen
- Specimen
- 1 mL serum
- Minimum volume
- 0.3 mL
- Container
- Serum separator tube (SST)
- Temperature
- Room temperature
Turnaround
Set up: Sun-Fri; Report available: 3 days
Billing
CPT 84439