Reverse T3 (LABCORP)

Test Code

99901000322

Alias/See Also

LAB138: Reverse T3 | LABCORP EAP: 070104

CPT Codes
84482x1

Preferred Specimen

LABCORP LAB: Serum Separator Tube (Refrigerated) Min Vol: .6

Other Acceptable Specimens

LABCORP LAB: YELLOW TOP: (Refrigerated) Min Vol: .6
LABCORP LAB: MICRO RED: (Refrigerated) Min Vol: .6
LABCORP LAB: MICRO YELLOW: (Refrigerated) Min Vol: .6
LABCORP LAB: RED TOP - PLAIN: (Refrigerated) Min Vol: .6

Instructions

Adults: 3 mL red-top tube *Pediatric minimum: 1 red-top microtainer*

Transport Temperature

Specimen: Serum or plasma FROZEN Volume: 1.5 mL each tube Minimum Volume: 1 mL each tube (Note: This volume does not allow for repeat testing.) Container: Red-top tube or lavender-top (EDTA) tube Collection: Transfer the serum into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp N° 049482). The specimen should be frozen immediately and maintained frozen until tested. To avoid delays in turnaround time when requesting multiple tests on frozen specimens, please submit separate frozen specimen for each test requested. Include the patient’s age on the test request form. Storage Instructions: Freeze Stable 14 days

Report Available

LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min

Last Updated: March 6, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.