1899      Free T4 w/ TSH
Specimen:
  Collect: One 7.5 mL SST  
  Submit: 1 mL (Min:0.5 mL) Serum. Submit Refrigerated.  
  Special Handling: Allow specimen to clot completely at room temperature
Avoid Repeated Freeze/Thaw Cycles
Separate from cells ASAP 
  Stability: Ambient: Unacceptable; Refrigerated: 2 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable 
Methodology: Chemiluminescence 
Performed: Mon-Fri 
Reported: 1-3 Day(s) 
CPT Codes:
8443984443
Interpretive Data: Please see report for interpretive data.
Components:
2146 - FREE T42090 - TSH, 3rd GEN.