C-Peptide Benchmarks
Adult • All • All
MetabolicSelect Your Demographics
Understanding Your C-Peptide
For All aged Adult, the median c-peptide is 2 ng/mL.
A value of 2 ng/mL means you're at the 50th percentile—half the population is above, half below. Values between 1.46 ng/mL (25th percentile) and 2.54 ng/mL (75th percentile) are typical.
The normal range spans from 0.68 ng/mL (5th percentile) to 3.32 ng/mL (95th percentile), covering 90% of the population.
Visual Distribution
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Frequently Asked Questions
What is a normal c-peptide for Adult year olds?
For All aged Adult, normal c-peptide ranges from 0.68 to 3.32 ng/mL. The median is 2 ng/mL.
What does the 2 ng/mL median mean?
The median of 2 ng/mL means exactly 50% of All aged Adult have a c-peptide below this value, and 50% have a higher value.
Is my c-peptide normal?
If your c-peptide falls between 0.68 and 3.32 ng/mL, you're within the normal range for All aged Adult. Values at the extremes may warrant a conversation with your healthcare provider.
Data Source
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