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Compare/E10.3513 vs E11

E10.3513 vs E11

E10.3513 (Type 1 diabetes mellitus with proliferative diabetic retinopathy with macular edema, bilateral) compared with E11 (Type 2 diabetes mellitus), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Can these codes be reported together?

No — do not report together. E10.3513 carries an Excludes1 note covering E11: “type 2 diabetes mellitus (E11.-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

No — do not report together. E11 carries an Excludes1 note covering E10.3513: “type 1 diabetes mellitus (E10.-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

E10.3513Type 1 diabetes mellitus with proliferative diabetic retinopathy with macular edema, bilateralE11Type 2 diabetes mellitus
Billing statusBillableNon-billable header

Report instead: E11.00, E11.01, E11.10, E11.11, E11.21

ClassificationE00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89)E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89)
DefinitionType 1 diabetes mellitus with proliferative diabetic retinopathy with macular edema, bilateral is a billable ICD-10-CM diagnosis code (E10.3513).Type 2 diabetes mellitus is a non-billable ICD-10-CM category code (E11).
7th characterOne of the following 7th characters is to be assigned to codes in subcategory E10.35 to designate laterality of the disease:
Includes
brittle diabetes (mellitus)
diabetes (mellitus) due to autoimmune process
diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction
idiopathic diabetes (mellitus)
diabetes (mellitus) due to insulin secretory defect
diabetes NOS
insulin resistant diabetes (mellitus)
Use additional code
code to identify control using:
injectable non-insulin antidiabetic drugs (Z79.85)
insulin (Z79.4)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources