Immediately after my emergency hospitalization, my doctor delivered news I never expected. It was the diagnosis of Type 1 Diabetes. Unlike the more common lifestyle-related diabetes, I learned that my body had completely stopped producing insulin, and the shock was immense. In this post, I'll look back at the definitive reason for my diagnosis and the dramatic changes in my blood sugar levels after starting insulin therapy.
Definitive Evidence: My Body Wasn't Making Insulin
Special test results revealing how much insulin my body was producing showed values significantly below the standard range.
📊 Insulin Secretion Capacity Test Results (Collected on Day 4 of Hospitalization)
| Test Item Name | Your Measured Value | Reference Range | Unit | Condition / Explanation |
|---|---|---|---|---|
| C-Peptide (Serum) |
0.16 L | 1.0～3.5 approx. | ng/mL | This value clearly indicates a state where almost no insulin is being produced in the body (depletion state). |
| C-Peptide (Urine・24-hour collection) |
15.12 L | 15.0 - 133.0 | µg/day | Shows extremely low insulin secretion over a 24-hour period. |
💡 What These Numbers Mean
"C-Peptide (CPR)" is a substance released into the bloodstream in equal amounts with insulin when insulin is produced in the pancreas. Therefore, measuring this value directly reveals "how much insulin the pancreas is currently capable of producing on its own."
The current value of "0.16 ng/mL" indicates a state where independent insulin secretion has almost completely stopped, and this is the definitive evidence (numerical value) that leads to a confirmed diagnosis of "Type 1 Diabetes (or fulminant diabetes)," which differs from lifestyle-related diabetes.
- These results clearly showed that my pancreas had completely lost its ability to control blood sugar.
- Even in the initial urine tests upon admission, urine glucose was recorded at an abnormally high level of 4+, indicating that my body was overflowing with sugar.
Starting Insulin Treatment
- Immediately after the diagnosis, insulin injections began, with medication taking over the role of lowering blood sugar in place of my own body.
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