Reverse T3

Specimen:

Collect

  • One SST

Also Acceptable:
  • One Lavender (EDTA)
  • One Pink Top (EDTA)
  • One Red Top

Submit

  • 2 mL (Min:1 mL) Serum in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.

Also Acceptable:
  • 2 mL (Min:1 mL) Serum in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
  • 2 mL (Min:1 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
  • 2 mL (Min:1 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.

Special Handling

  • Allow specimen to clot completely at room temperature
  • Separate serum from cells ASAP or within 2 hours of collection

Rejection Criteria

  • Grossly Hemolyzed Samples

Stability

Ambient: 1 Day(s); Refrigerated: 1 Week(s); Frozen: 3 Month(s); Incubated: Unacceptable

Methodology

  • Quantitative Liquid Chromatography-Tandem Mass Spectrometry

Performed

Sun-Sat

Reported

2-6 Day(s)

CPT Codes

  • 84482

Components

  • 93948 - REVERSE T3
Last Updated: February 6, 2025 @ 10:13 am

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT