C-Peptide
Also known as: C peptide test, C-peptide blood test, Insulin production test
About this test
At a glance
Key Highlights
- Reflects endogenous insulin production (released with insulin)|Useful in distinguishing insulin deficiency vs resistance patterns in selected cases|Interpretation depends on glucose level at the time of sampling|Fasting vs stimulated protocols vary by clinical question|Medication timing (insulin/secretagogues) can affect results|Often paired with glucose and HbA1c for context|Not a standalone diabetes diagnosis tool|Home blood collection available in many service areas|Clear safety guidance for hypoglycemia symptoms|SEO coverage: C-peptide test
- insulin production blood test
- diabetes type test support
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C-Peptide — Quick facts
- Sample type
- Serum
- Fasting
- No
- Report TAT
- Same day / 24 hours
- Price
- Rs 1000
- Home collection
- Available in Chennai
How to Prepare
- Follow clinician instructions for fasting vs non-fasting protocol|If fasting advised
- fast for the specified hours (water allowed)|Do not change insulin/diabetes medicines unless clinician instructs|Note the time of last meal and medicine dose for accurate interpretation|Collect serum blood sample via trained phlebotomist|If ordered
- get glucose tested at the same time|Download report from <a href='/my-account/'>View reports</a>|Review with endocrinologist/diabetologist for next steps
Frequently Asked Questions
How should I prepare for the C-Peptide?
Follow clinician instructions for fasting vs non-fasting protocol|If fasting advised, fast for the specified hours (water allowed)|Do not change insulin/diabetes medicines unless clinician instructs|Note the time of last meal and medicine dose for accurate interpretation|Collect serum blood sample via trained phlebotomist|If ordered, get glucose tested at the same time|Download report from <a href='/my-account/'>View reports</a>|Review with endocrinologist/diabetologist for next steps
How much does the C-Peptide cost?
The C-Peptide is available at Rs 1000 on PingMeDoc with home sample collection in Chennai. Prices are inclusive of sample collection charges.
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Medical Disclaimer
The information provided on this page is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Lab test results should always be interpreted by a qualified healthcare professional in the context of your overall health. Do not start, stop, or change any medication or treatment based on test results without consulting your doctor. Reference ranges may vary between laboratories and are subject to change. If you have a medical emergency, call your local emergency services immediately.