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. Author manuscript; available in PMC: 2013 Apr 26.
Published in final edited form as: Clin Biochem. 2008 May 15;41(12):937–942. doi: 10.1016/j.clinbiochem.2008.04.025

Table 7.

C-peptide reference intervals

Females and males n ng/mL
ng/mL
2.5th 97.5th
0–<1 y* 73 0.6 7.8
1–<5 y* 43 0.6 7.4
5–<13 y* 75 0.8 8.5
13–<18 y* 76 1.3 7.9

n=267;

*

males and females combined.