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Labcorp Oklahoma, Inc.
Test Directory


Index:

Proinsulin

Order Name PROINSULIN
Test Number: 3655950
Revision Date 12/12/2022
Test Name Methodology LOINC Code
Proinsulin
Enzyme immunoassay (EIA)  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.4) Serum Clot Activator SST Frozen
Alternate 1 1 mL (0.4) Serum Clot Activator (Red Top, No-Gel) Frozen
Instructions Notes: 0.4 mL (Note: This volume Does NOT allow for repeat testing.)
Specimen Type: Red-top tube or gel-barrier tube
Specimen Storage: FREEZE
Specimen Collection: Transfer the serum into a LabCorp PP transpak purple tube with screw cap (LabCorp ID 49482). Freeze immediately and maintain frozen until tested. To avoid delays in turnaround time when requesting multiple test on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.
Specimen Stability: Ambient: Unstable, Refrigerated : Unstable, Frozen: 12 days
GENERAL INFORMATION
Expected TAT 3 - 5 days  
Performing Labcorp Test Code 140533 
Notes Labcorp Test Code: 140533
CPT Code(s) 84206
Lab Section Reference Lab