Insulin, Free And Total (LABCORP)

Test Code
99901000500


Alias/See Also
LAB3230: Free and Total Insulin | LABCORP EAP: 501561


CPT Codes
83525x1, 83527x1

Preferred Specimen
LABCORP LAB: Serum Separator Tube (Refrigerated) Min Vol: 3


Other Acceptable Specimens
LABCORP LAB: YELLOW TOP: (Refrigerated) Min Vol: 3
LABCORP LAB: MICRO RED: (Refrigerated) Min Vol: 3
LABCORP LAB: MICRO YELLOW: (Refrigerated) Min Vol: 3
LABCORP LAB: RED TOP - PLAIN: (Refrigerated) Min Vol: 3


Transport Temperature
Specimen: Serum, frozen Volume: 0.6 mL Minimum Volume: 0.4 mL (Note: This volume does not allow for repeat testing.) Container: Red-top tube or gel-barrier tube Collection: Transfer the serum into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp N° 49482). Freeze immediately and maintain frozen until tested. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested. Storage Instructions: Freeze


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.