Item Value
Test name Insulin, C-peptide
Available Stat? No
Turn around times Test performed Wednesdays.
In House Availability Test available once a week on day shift (Wednesdays)
Performed by China Basin Chemistry
Patient Preparation An overnight fast is required prior to specimen collection or reference ranges will not apply.
Normal range
Fasting 0.8-3.5 ng/mL


Reference range was adopted from ARUP and verified in-house using sample collected by 25 fasting lab donors.

Note: if patient was not fasting the normal ranges may not apply.

Container type Gold top or Red top
Amount to Collect 2 mL blood
Collection Instructions Deliver to lab immediately. Call physician if patient is not fasting to see if the specimen is acceptable.
Sample type Serum

If you have additional questions regarding this test, please call: 415-353-1667