C-Peptide, Ultrasensitive

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Category:

Turnaround Time: 6 - 12 days
CPT Code:

84681

Test Type: 1 mL Serum (preferred) OR plasma
Stability Time:

Freeze (preferred) or refrigerate. Stable at room temperature for one day or refrigerated for seven days. Stable for 348 days frozen. Freeze/thaw cycles: x6.

Overview:

C-peptide measurement.

This assay has a lower limit of detection of 0.004 ng/mL.

Collection Details:

Collection Instructions:

Gel-barrier tube, red-top tube or lavender-top (EDTA) tube.

Serum or plasma must be separated from cells within 45 minutes of venipuncture. Submit specimen in a plastic transport tube. Freeze plastic transport tube (preferred) or refrigerate. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.

Freeze (preferred) or refrigerate. Stable at room temperature for one day or refrigerated for seven days. Stable for 348 days frozen. Freeze/thaw cycles: x6.