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    v1.0.28
    OpenPayerBilling CodesDiabetes mellitusICD-10-CM e10-type-1-diabetes-mellitus
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    ICD-10-CM Code For Type 1 Diabetes Mellitus: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group E10 includes diagnoses for type 1 diabetes mellitus, covering the primary autoimmune insulin-deficient diabetes and its specified complications such as ketoacidosis and microvascular or macrovascular involvement. These ICD-10-CM diagnosis codes are used to document clinical scenarios that capture disease severity, presence of acute or chronic complications, and specific organ system involvement relevant to type 1 diabetes. Accurate coding within the ICD-10-CM E10 group supports proper claim adjudication and appropriate reimbursement.

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    ICD-10-CM E10: Type 1 Diabetes Mellitus Overview

    The ICD-10-CM E10 code group represents type 1 diabetes mellitus and its various clinical manifestations, including acute complications such as ketoacidosis and chronic complications affecting multiple organ systems. These diagnoses target endocrine and metabolic function with effects on the eyes, kidneys, nervous system, and circulatory system. Accurate coding matters for reimbursement because it captures disease severity and complication status that influence claim adjudication and payment.

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    When to Use

    Use a code from this group when a patient has a documented diagnosis of type 1 diabetes mellitus, including when complications related to diabetes are present and specified in the medical record. Select the code that reflects the current clinical status, specifying acute complications or chronic organ involvement as documented.

    ICD-10-CM Codes

    87 rows

    ICD-10-CM CodeDescription
    E10.10Type 1 diabetes mellitus with ketoacidosis without coma
    E10.11Type 1 diabetes mellitus with ketoacidosis with coma
    E10.21Type 1 diabetes mellitus with diabetic nephropathy
    E10.22Type 1 diabetes mellitus with diabetic chronic kidney disease
    E10.29Type 1 diabetes mellitus with other diabetic kidney complication
    E10.311Type 1 diabetes mellitus with unspecified diabetic retinopathy with macular edema
    E10.319Type 1 diabetes mellitus with unspecified diabetic retinopathy without macular edema
    E10.3211Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, right eye
    E10.3212Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, left eye
    E10.3213Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, bilateral
    E10.3219Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, unspecified eye
    E10.3291Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, right eye
    E10.3292Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, left eye
    E10.3293Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, bilateral
    E10.3299Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, unspecified eye
    E10.3311Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, right eye
    E10.3312Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, left eye
    E10.3313Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, bilateral
    E10.3319Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, unspecified eye
    E10.3391Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, right eye

    Showing 1–20 of 87

    DRG Codes

    19 rows

    DRG CodeDescription
    008Simultaneous Pancreas and Kidney Transplant
    010Pancreas Transplant
    019Simultaneous Pancreas and Kidney Transplant with Hemodialysis
    073Cranial and Peripheral Nerve Disorders with MCC
    074Cranial and Peripheral Nerve Disorders without MCC
    124Other Disorders of the Eye with MCC or Thrombolytic Agent
    125Other Disorders of the Eye without MCC
    299Peripheral Vascular Disorders with MCC
    300Peripheral Vascular Disorders with CC
    301Peripheral Vascular Disorders without CC/MCC
    637Diabetes with MCC
    638Diabetes with CC
    639Diabetes without CC/MCC
    673Other Kidney and Urinary Tract Procedures with MCC
    674Other Kidney and Urinary Tract Procedures with CC
    675Other Kidney and Urinary Tract Procedures without CC/MCC
    698Other Kidney and Urinary Tract Diagnoses with MCC
    699Other Kidney and Urinary Tract Diagnoses with CC
    700Other Kidney and Urinary Tract Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • A young adult with known autoimmune insulin deficiency presents to urgent care with polyuria, polydipsia, weight loss, and fasting hyperglycemia. Point-of-care glucose and serum ketones are negative, and treatment focuses on insulin regimen adjustment and education; a type 1 diabetes diagnosis code is used to reflect chronic insulin-dependent diabetes without complications. Typical codes: E10.9, E10.10
    • A middle-aged patient with long-standing insulin-dependent diabetes is evaluated in clinic for progressive proteinuria and reduced estimated glomerular filtration rate; nephrology documents diabetic nephropathy with stage 3 chronic kidney disease. The visit assigns a code indicating type 1 diabetes with chronic kidney complications to capture the diabetic etiology of renal disease and guide comorbidity tracking. Typical codes: E10.21, E10.22
    • An adolescent is brought to the emergency department with nausea, vomiting, abdominal pain, dehydration, and altered mental status; labs confirm diabetic ketoacidosis requiring intravenous fluids and insulin infusion. An acute hospitalization diagnosis from this group specifying type 1 diabetes with ketoacidosis is assigned to represent the acute metabolic complication. Typical codes: E10.10, E10.11

    Related Codes

    E08-DIABETES-MELLITUS-DUE-TO-UNDERLYING-CONDITION

    ICD-10-CM Code For Diabetes Mellitus Due To Underlying Condition: Group Overview

    E09-DRUG-OR-CHEMICAL-INDUCED-DIABETES-MELLITUS

    ICD-10-CM Code For Drug Or Chemical Induced Diabetes Mellitus: Group Overview

    E11-TYPE-2-DIABETES-MELLITUS

    ICD-10-CM Code For Type 2 Diabetes Mellitus: Group Overview

    E13-OTHER-SPECIFIED-DIABETES-MELLITUS

    ICD-10-CM Code For Other Specified Diabetes Mellitus: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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