Cardio / MetabolicPrices verified 2026-03-23

C-Peptide

Diabetes affects millions, but knowing your body's insulin production is key. The C-Peptide test measures how much insulin your pancreas is actually making, helping to distinguish between Type 1 and Type 2 diabetes and see if current treatments are working. If you're managing diabetes or experiencing symptoms of low blood sugar, this simple test provides the vital information you need to optimize your health and reduce risks.

Quest
Not Available
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LabCorp
Not Available
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GoodLabs
$18
✓ Best Price
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Cost Recon

Self-Pay Price Comparison

ProviderPricevs. HighestOrder
Quest
QuestHealth self-pay
Not AvailableN/ACheck Provider Site · Quest
LabCorp
Labcorp OnDemand
Not AvailableN/ACheck Provider Site · LabCorp
GoodLabs
Discount lab network
$18.00Best valueBest priceOrder · GoodLabs
About GoodLabs: About GoodLabs: GoodLabs offers the same Quest and LabCorp tests at discounted self-pay rates. Their prices reflect direct negotiated rates; not retail list prices.
Recon Snapshot

What This Test Measures

Key analytes included in this test (see your lab’s order for the full finalized list).

C-Peptide
Clinical Notes

C-peptide is co-secreted with insulin in equimolar amounts. Distinguishes type 1 from type 2 diabetes and evaluates residual beta-cell function.