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C-Peptide, 24-Hour Urine

CPT Code(s): 84681
Specimen Required: Patient Preparation:
Collect:24-hour urine. Refrigerate during collection. Also acceptable: Random urine (no reference intervals).
Specimen Preparation:Transfer 2 mL aliquot from a well-mixed 24-hour urine to an RDL Standard Transport Tube. (Min: 0.5 mL)
Storage/Transport Temperature:Frozen.
Stability:Ambient: 2 hours; Refrigerated: 24 hours; Frozen: 1 month
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • 24 hr c-peptideC-Peptide, UrineConnecting peptide insulinInsulin C-peptideProinsulin C-peptideUrine C- peptide
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