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C-PEPTIDE

Test Code
CPEP


Alias/See Also
C PEPTIDE


CPT Codes
84681

Preferred Specimen
SERUM SST


Minimum Volume
1 mL


Transport Temperature
Refrigerated


Specimen Stability
48 hours


Setup Schedule
M,W,F


Reference Range
0.90-4.30


Performing Laboratory
MERTUS - SPECIAL CHEMISTRY


Last Updated: October 29, 2025


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.