Back to Test DirectoryT397 : Reverse Triiodothyronine Serum/Plasma (rT3)
INFORMATION:
Alternate Name:
rT3
Methodology:
Liquid Chromatography Tandem Mass Spectrometry
Clinical Utility:
Screening test to monitor the levels of reverse T3 in patients.
ORDERING:
Test Code:
T397-9
Turnaround Time:
5 DAYS
Preferred Specimen:
1 mL SST Tube
Collection:
| Container | Qty | Temp | Stability |
|---|---|---|---|
| SST Tube | 1 | Refrigerate | 7 DAYS |
Collection Instructions:
SST: Fill tube, invert gently 5 times, label with patient name, let stand for minimum of 30 minutes, maximum of 1 hr, spin for 10-15 minutes
Alternative Specimen:
Microtainer - Pediatric Red, Microtainer - Pediatric SST, Red Top, Aliquot Tube-Serum, Microtainer - Pediatric Green Top, Green top- Sodium Heparin, Aliquot Plasma Heparinized-green top, Aliquot Serum- Red Top, Aliquot Plasma-EDTA-Lavender Top
Billing:
CPT Codes:
84482 x 1
CPT Code Disclaimer
CPT codes provided are for informational purposes only. Accuracy of CPT presented should be validated prior to consideration for billing.
CPT coding is the sole responsibility of the billing party. Please direct any questions regarding CPT coding to the payer being billed.
