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Thyroxine, Free (T4 Free) by Equilibrium Dialysis/HPLC-Tandem Mass Spectrometry
Z75
Methodology: | Quantitative Equilibrium Dialysis/High Performance Liquid Chromatography-Tandem Mass Spectrometry |
Performed: | Sun, Tue, Thu |
Reported: | 6 days from receipt of specimen. |
Specimen Required: | Collect: Plain red OR Serum Separator Tube (SST) – 2 ml serum Specimen Preparation: Separate from cells or gel ASAP or within 2 hours of collection. Storage/Transport Temperature: Refrigerated. Stability: After separation from cells: Ambient: 4 days; Refrigerated: 2 weeks; Frozen: 1 month At ACCU: Red Top Tube Refrigerated: 1 week; Serum Separator Tube (SST) Refrigerated: 1 week; Frozen: 2 weeks Unacceptable Conditions: Plasma. NOTE: * This test is approved for all states. * Performing Lab SUNRISE MEDICAL LABORATORIES |
CPT Code(s): | 84439 |