Helps estimate how much insulin the body is making naturally.
Download C-peptide Test Visual Guide infographic (PNG)
| Result context | Guide |
|---|---|
| Typical | about 1.1 - 4.4 ng/mL |
| Low | reduced insulin output |
| High | possible insulin resistance |
Ranges vary by lab and timing; glucose level at sampling is important.
C-peptide is a laboratory test. Shows how much insulin the body is making.
Your clinician can advise whether this test is appropriate for you. The result should be read with the laboratory range, symptoms, medical history and other relevant results. The listed sample type is Blood (Serum).
Reference ranges vary by laboratory and method. Use the range printed on your final report. The information below is educational only. For Kolkata bookings, read this along with the city price, fasting note and home sample collection details on this page.
| Measure | Typical guide | Note |
|---|---|---|
| Reference range | Use the range printed on your final report | Use the reference range printed on your final report. |
| Low C-peptide | Below lab range | May suggest low natural insulin production. |
| High C-peptide | Above lab range | May suggest insulin resistance or excess insulin production. |
| Reason | Description |
|---|---|
| Natural insulin | Shows how much insulin the body is making. |
| Diabetes typing | Helps distinguish insulin production patterns. |
| Hypoglycaemia review | Used when low blood sugar needs insulin-source review. |
| Situation | Description |
|---|---|
| Diabetes follow-up | People with unclear type 1/type 2 pattern. |
| Low sugar symptoms | Sweating, shakiness, hunger, confusion, dizziness. |
| Treatment users | People on insulin where natural insulin production needs review. |
| Topic | Guidance |
|---|---|
| Fasting | The laboratory lists this as a fasting test but has not supplied a fasting duration. Obtain the duration from the collection team before your appointment. |
| Pairing | Often read with glucose and insulin. |
| Interpretation | External insulin does not add C-peptide. |
The current C-peptide price in Kolkata is Rs. 1050. The final booking details are shown before you confirm.
The laboratory lists this as a fasting test but has not supplied a fasting duration. Obtain the duration from the collection team before your appointment.
Select Add to Cart or Book Now, choose a suitable slot and provide your address and pincode. Home collection is available where serviceable.
The payment option shown in the active booking flow applies to your order. Confirm the final amount and collection details before completing the booking.
Your report shows the laboratory reference range. A doctor can interpret the result together with your symptoms, medical history and other tests.
Thyrocare states that most test reports are available within 24–48 hours after the sample reaches the laboratory, depending on the test. This is a general estimate, not a guaranteed turnaround for this test; sample transport time is additional. Completed reports are shared digitally.
Free Home Sample Collection in Kolkata
Coverage for home collection
Popular neighbourhoods include Salt Lake · New Town · Park Street · Behala · Dum Dum · Ballygunge · Alipore · Jadavpur University · Tollygunge · Rajarhat · Garia · Kasba · Lake Gardens · Bhowanipore · Baguiati · Kestopur · Barasat · Baranagar · Sonarpur. Enter your pincode to confirm home collection.