Laboratory Test Detail

Last Updated: April 19, 2024 @ 9:13 am

90202

Free T4 by Equilibrium Dialysis

Specimen:Collect:
  • One SST

Also Acceptable:
  • One Red Top
Submit:
  • 2 mL (Min:0.3 mL) Serum in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable:
  • 2 mL (Min:0.3 mL) Serum in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling:
  • Separate serum from cells ASAP or within 2 hours of collection
Rejection Criteria:
  • Plasma
Stability:Ambient: 4 Day(s); Refrigerated: 2 Week(s); Frozen: 1 Month(s); Incubated: Unacceptable
Methodology:
  • High Performance Liquid Chromatography/Tandem Mass Spectrometry
  • Quantitative Equilibrium Dialysis
Performed:Tuesday, Thursday, Sunday
Reported:3-7 Day(s)
CPT Codes:
  • 84439
Components:
  • 90202 - FREE T4
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