C-PEPTIDE

Test Code
CPEP


CPT Codes
84681

Preferred Specimen
Serum (Gold Top or Red no Gel or SST)


Minimum Volume
1 mL


Other Acceptable Specimens
N/A


Transport Temperature
Refrigerated 


Specimen Stability
Room Temp 8 hour
Refrigerated 24 hours
Separate serum from the red blood cells before storage at 2–8°C or -20°C.



Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Do not use samples that have been stored at room temperature for longer than 8 hours. 


Performing Laboratory
Testing performed only at Sarasota Main Campus



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.