C-Peptide, LC/MS/MS

Optimal Result: 0.68 - 2.16 ng/mL.

C-Peptide, measured through the Liquid Chromatography-Tandem Mass Spectrometry (LC/MS/MS) method, represents a significant advancement in medical diagnostics, offering unparalleled accuracy in assessing pancreatic beta-cell function and insulin production. This test is crucial for differentiating type 1 and type 2 diabetes, as well as for identifying insulinoma, a rare pancreatic tumor. The C-Peptide test, especially when combined with LC/MS/MS technology, provides a highly sensitive and specific measure of C-Peptide levels, far surpassing traditional immunoassays in precision. This is particularly important in cases where distinguishing endogenous insulin production from exogenous insulin administration is critical. The test's precision makes it invaluable for evaluating residual beta-cell function in diabetes patients, guiding treatment decisions, and assessing the need for insulin therapy. Additionally, it's instrumental in the investigation of hypoglycemia, especially in post-gastric bypass patients or those suspected of insulin misuse. The role of C-Peptide testing via LC/MS/MS in personalized medicine is growing, as it aids in tailoring treatment plans based on individual beta-cell function, enhancing patient outcomes in diabetes management. With the increasing prevalence of diabetes globally, the demand for accurate diagnostic tools like C-Peptide, LC/MS/MS is surging, making it a focal point in endocrinological research and practice.

What does it mean if your C-Peptide, LC/MS/MS result is too low?

Low levels of C-Peptide, as measured by the LC/MS/MS method, can indicate a range of medical conditions, primarily related to reduced insulin production.

Here are the implications and potential treatment options:

→ Type 1 Diabetes: This is the most common condition associated with low C-Peptide levels. It indicates that the pancreas is producing little to no insulin. Treatment typically involves:

- Insulin Therapy: Administering insulin through injections or an insulin pump to regulate blood sugar levels.

- Blood Sugar Monitoring: Regular monitoring of blood glucose levels.

- Diet and Lifestyle Modifications: Following a diabetes-friendly diet and maintaining an active lifestyle.

→ Advanced Type 2 Diabetes: In later stages, the pancreas may stop producing sufficient insulin. Treatment may include:

- Insulin Therapy: Similar to type 1 diabetes, insulin might be required.

- Oral Medications: Medications that increase insulin sensitivity or stimulate insulin production.

- Lifestyle Changes: Diet, exercise, and weight management are crucial.

→ Pancreatic Diseases: Conditions like chronic pancreatitis or pancreatic cancer can also lead to low C-Peptide levels. Treatment depends on the underlying condition:

- Pancreatitis Treatment: May include pain management, dietary changes, and enzyme supplements.

- Cancer Treatment: Options might include surgery, chemotherapy, or radiation therapy.

→ Insulinoma: This rare tumor causes excessive insulin production, leading to low C-Peptide levels after the tumor's removal. Treatment usually involves:

- Surgical Removal: The primary treatment is surgical removal of the tumor.

- Medication: Drugs to manage blood sugar levels post-surgery.

→ Post-Gastric Bypass Hypoglycemia: Some patients develop low blood sugar levels after gastric bypass surgery. Treatment may involve:

- Dietary Adjustments: Eating small, frequent meals high in protein and low in simple carbohydrates.

- Medications: Medications to slow food absorption or increase glucagon-like peptide 1 (GLP-1).

It's important to note that the treatment of conditions associated with low C-Peptide levels should be personalized and managed by a healthcare professional. They will consider the underlying cause, the severity of the condition, and the individual's overall health when determining the most appropriate treatment plan. Regular monitoring and adjustments to the treatment may be necessary over time.

10 000+ happy customers
100% satisfaction
★ ★ ★ ★ ★ customer support

Trust us to examine your lab results, guiding you towards improved health.

Use promo code to save 10% off any plan.


We implement proven measures to keep your data safe.

At HealthMatters, we're committed to maintaining the security and confidentiality of your personal information. We've put industry-leading security standards in place to help protect against the loss, misuse, or alteration of the information under our control. We use procedural, physical, and electronic security methods designed to prevent unauthorized people from getting access to this information. Our internal code of conduct adds additional privacy protection. All data is backed up multiple times a day and encrypted using SSL certificates. See our Privacy Policy for more details.