| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
C-Peptide, 24-Hour Urine
Test Code94263
CPT Codes
84681
Includes
Creatinine
CPT code 81050 may be added at an additional charge for volume measurement
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
2 mL aliquot of 24-hour urine collection in a sterile leak-proof container
Minimum Volume
0.5 mL
Other Acceptable Specimens
Random urine
Instructions
Collect 24 hour urine. Refrigerate during collection. Also acceptable: Random urine (no reference intervals).
Transfer 2 mL aliquot from a well-mixed 24-hour urine to an ARUP standard transport tube or sterile plastic container.
Transfer 2 mL aliquot from a well-mixed 24-hour urine to an ARUP standard transport tube or sterile plastic container.
Transport Temperature
Frozen
Specimen Stability
Room temperature: 2 hours
Refrigerated: 24 hours
Frozen: 30 days
Refrigerated: 24 hours
Frozen: 30 days
Methodology
Quantitative Chemiluminescent Immunoassay
Setup Schedule
Sets up 7 days a week.
Clinical Significance
Use to detect insulin secretion. Do not use to diagnose diabetes mellitus.
