T4F (LABCORP)

Test Code
1230300694


Alias/See Also
LAB100173: T4 Free | LABCORP EAP: 001975


CPT Codes
84439x1

Preferred Specimen
LABCORP LAB: Serum Separator Tube (Refrigerated) Min Vol: .5


Other Acceptable Specimens
LABCORP LAB: YELLOW TOP: (Refrigerated) Min Vol: .5
LABCORP LAB: MICRO RED: (Refrigerated) Min Vol: .5
LABCORP LAB: MICRO YELLOW: (Refrigerated) Min Vol: .5
LABCORP LAB: RED TOP - PLAIN: (Refrigerated) Min Vol: .5


Transport Temperature
Specimen Urine (random) Volume 10 mL Minimum Volume 2 mL Container Routine urinalysis tube or container, BD urine transport tube, or sterile urine cup Collection A voided specimen is usually suitable. If the specimen is likely to be contaminated, a clean catch midstream specimen is desirable. Storage Instructions Refrigerate


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.