C-Peptide, Five Specimens

CPT: 84681(x5)
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Test Details

Clinical Information

Special Instructions

This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
015798 C-Peptide (5 Specimens) 338078 C-Peptide #1 ng/mL 57376-6
015798 C-Peptide (5 Specimens) 319666 Tube ID #1 46963-5
015798 C-Peptide (5 Specimens) 319611 C-Peptide #2 ng/mL 13032-8
015798 C-Peptide (5 Specimens) 319698 Tube ID #2 46963-5
015798 C-Peptide (5 Specimens) 319612 C-Peptide #3 ng/mL 13033-6
015798 C-Peptide (5 Specimens) 319702 Tube ID #3 46963-5
015798 C-Peptide (5 Specimens) 319613 C-Peptide #4 ng/mL 13034-4
015798 C-Peptide (5 Specimens) 319725 Tube ID #4 46963-5
015798 C-Peptide (5 Specimens) 319614 C-Peptide #5 ng/mL 13035-1
015798 C-Peptide (5 Specimens) 319753 Tube ID #5 46963-5

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The LOINC® codes are copyright © 1994-2018, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf