E10.21
BillableType 1 diabetes mellitus with diabetic nephropathy
E10.21 is the ICD-10-CM code for Type 1 diabetes mellitus with diabetic nephropathy. It is a billable, specific code valid for reimbursement.
E00-E89 Endocrine, nutritional and metabolic diseases
What this means — in plain language
MedlinePlus · NIHDiabetes means your blood glucose, or blood sugar , levels are too high. With type 1 diabetes, your pancreas does not make insulin. Insulin is a hormone that helps glucose get into your cells to give them energy. Without insulin, too much glucose stays in your blood. Over time, high blood glucose can lead to serious problems with your heart , eyes , kidneys , nerves , and gums and teeth. Type 1 diabetes happens most…
Read more about Diabetes Type 1 at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Type 1 diabetes mellitus with intercapillary glomerulosclerosis
- •Type 1 diabetes mellitus with intracapillary glomerulonephrosis
- •Type 1 diabetes mellitus with Kimmelstiel-Wilson disease
Medications indicated for this condition
FDA labeling- Insulin GlargineInsulin Analog [EPC]›
- 7.5% Sodium Bicarbonate›
- CaptoprilAngiotensin Converting Enzyme Inhibitor [EPC]›
- 8.4% Sodium Bicarbonate›
- Infant 4.2% Sodium Bicarbonate›
- Pramlintide›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Benefits & assistance programs
Federal & stateAssistance programs whose eligibility maps to this condition's category. Informational only — eligibility is determined by the administering agency.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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