ICD-10-CM E10: Type 1 diabetes mellitus

ICD-10-CM Diagnosis Code (2025)

Official Description for E10

Type 1 diabetes mellitus

Coding Notes & Guidelines for E10

Includes Notes
  • brittle diabetes (mellitus)
  • diabetes (mellitus) due to autoimmune process
  • diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction
  • idiopathic diabetes (mellitus)
  • juvenile onset diabetes (mellitus)
  • ketosis-prone diabetes (mellitus)
Excludes1: Not Coded Here
  • diabetes mellitus due to underlying condition (E08.-)
  • drug or chemical induced diabetes mellitus (E09.-)
  • gestational diabetes (O24.4-)
  • hyperglycemia NOS (R73.9)
  • neonatal diabetes mellitus (P70.2)
  • postpancreatectomy diabetes mellitus (E13.-)
  • postprocedural diabetes mellitus (E13.-)
  • secondary diabetes mellitus NEC (E13.-)
  • type 2 diabetes mellitus (E11.-)
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code to identify stage of chronic kidney disease (N18.1-N18.6)

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  • code to identify manifestation, such as:
  • diabetic glaucoma (H40-H42)
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code to identify site of ulcer (L97.4-, L97.5-)

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code to identify site of ulcer (L97.1-L97.9, L98.41-L98.49)

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code for hypoglycemia level, if applicable (E16.A-)

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code to identify complication

Inclusion Terms
  • Type 1 diabetes mellitus with intercapillary glomerulosclerosis
  • Type 1 diabetes mellitus with intracapillary glomerulonephrosis
  • Type 1 diabetes mellitus with Kimmelstiel-Wilson disease
Inclusion Terms

Type 1 diabetes mellitus with renal tubular degeneration

Inclusion Terms

Type 1 diabetes mellitus with nonproliferative diabetic retinopathy NOS

Inclusion Terms

Type 1 diabetes mellitus with diabetic neuralgia

Inclusion Terms

Type 1 diabetes mellitus with diabetic gastroparesis

Inclusion Terms

Type 1 diabetes mellitus with diabetic gangrene

Inclusion Terms

Type 1 diabetes mellitus with Charcôt's joints

Inclusion Terms

Type 1 diabetes mellitus with diabetic necrobiosis lipoidica

Inclusion Terms

Early-stage type 1 diabetes mellitus

Inclusion Terms

Multiple confirmed islet autoantibodies with normoglycemia

Inclusion Terms

Confirmed islet autoimmunity with dysglycemia

7th Character Guidance

One of the following 7th characters is to be assigned to codes in subcategory E10.32 to designate laterality of the disease:

7th Character Guidance

One of the following 7th characters is to be assigned to codes in subcategory E10.33 to designate laterality of the disease:

7th Character Guidance

One of the following 7th characters is to be assigned to codes in subcategory E10.34 to designate laterality of the disease:

7th Character Guidance

One of the following 7th characters is to be assigned to codes in subcategory E10.35 to designate laterality of the disease:

7th Character Guidance

One of the following 7th characters is to be assigned to code E10.37 to designate laterality of the disease:

Child Codes (More Specific Codes for E10):

E10.1 - Type 1 diabetes mellitus with ketoacidosis E10.10 - Type 1 diabetes mellitus with ketoacidosis without coma E10.11 - Type 1 diabetes mellitus with ketoacidosis with coma E10.2 - Type 1 diabetes mellitus with kidney complications E10.21 - Type 1 diabetes mellitus with diabetic nephropathy E10.22 - Type 1 diabetes mellitus with diabetic chronic kidney disease E10.29 - Type 1 diabetes mellitus with other diabetic kidney complication E10.3 - Type 1 diabetes mellitus with ophthalmic complications E10.31 - Type 1 diabetes mellitus with unspecified diabetic retinopathy E10.311 - Type 1 diabetes mellitus with unspecified diabetic retinopathy with macular edema E10.319 - Type 1 diabetes mellitus with unspecified diabetic retinopathy without macular edema E10.32 - Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy E10.321 - Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema E10.329 - Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema E10.33 - Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy E10.331 - Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema E10.339 - Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema E10.34 - Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy E10.341 - Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema E10.349 - Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema E10.35 - Type 1 diabetes mellitus with proliferative diabetic retinopathy E10.351 - Type 1 diabetes mellitus with proliferative diabetic retinopathy with macular edema E10.352 - Type 1 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula E10.353 - Type 1 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula E10.354 - Type 1 diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment E10.355 - Type 1 diabetes mellitus with stable proliferative diabetic retinopathy E10.359 - Type 1 diabetes mellitus with proliferative diabetic retinopathy without macular edema E10.36 - Type 1 diabetes mellitus with diabetic cataract E10.37 - Type 1 diabetes mellitus with diabetic macular edema, resolved following treatment E10.39 - Type 1 diabetes mellitus with other diabetic ophthalmic complication E10.4 - Type 1 diabetes mellitus with neurological complications E10.40 - Type 1 diabetes mellitus with diabetic neuropathy, unspecified E10.41 - Type 1 diabetes mellitus with diabetic mononeuropathy E10.42 - Type 1 diabetes mellitus with diabetic polyneuropathy E10.43 - Type 1 diabetes mellitus with diabetic autonomic (poly)neuropathy E10.44 - Type 1 diabetes mellitus with diabetic amyotrophy E10.49 - Type 1 diabetes mellitus with other diabetic neurological complication E10.5 - Type 1 diabetes mellitus with circulatory complications E10.51 - Type 1 diabetes mellitus with diabetic peripheral angiopathy without gangrene E10.52 - Type 1 diabetes mellitus with diabetic peripheral angiopathy with gangrene E10.59 - Type 1 diabetes mellitus with other circulatory complications E10.6 - Type 1 diabetes mellitus with other specified complications E10.61 - Type 1 diabetes mellitus with diabetic arthropathy E10.610 - Type 1 diabetes mellitus with diabetic neuropathic arthropathy E10.618 - Type 1 diabetes mellitus with other diabetic arthropathy E10.62 - Type 1 diabetes mellitus with skin complications E10.620 - Type 1 diabetes mellitus with diabetic dermatitis E10.621 - Type 1 diabetes mellitus with foot ulcer E10.622 - Type 1 diabetes mellitus with other skin ulcer E10.628 - Type 1 diabetes mellitus with other skin complications E10.63 - Type 1 diabetes mellitus with oral complications E10.630 - Type 1 diabetes mellitus with periodontal disease E10.638 - Type 1 diabetes mellitus with other oral complications E10.64 - Type 1 diabetes mellitus with hypoglycemia E10.641 - Type 1 diabetes mellitus with hypoglycemia with coma E10.649 - Type 1 diabetes mellitus with hypoglycemia without coma E10.65 - Type 1 diabetes mellitus with hyperglycemia E10.69 - Type 1 diabetes mellitus with other specified complication E10.8 - Type 1 diabetes mellitus with unspecified complications E10.9 - Type 1 diabetes mellitus without complications E10.A - Type 1 diabetes mellitus, presymptomatic E10.A0 - Type 1 diabetes mellitus, presymptomatic, unspecified E10.A1 - Type 1 diabetes mellitus, presymptomatic, Stage 1 E10.A2 - Type 1 diabetes mellitus, presymptomatic, Stage 2

About ICD-10-CM Code E10 (Type 1 diabetes mellitus)

ICD-10-CM code E10 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM E10 became effective on October 1, 2024.

This page provides detailed information about E10 - Type 1 diabetes mellitus. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Type 1 diabetes mellitus.