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ICD-10-CM · FY 2026 APRIL UPDATE

E11

Type 2 diabetes mellitus

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
E11.0Type 2 diabetes mellitus with hyperosmolarityCategory
E11.00Type 2 diabetes mellitus with hyperosmolarity without nonketotic hyperglycemic-hyperosmolar coma (NKHHC)Billable
E11.01Type 2 diabetes mellitus with hyperosmolarity with comaBillable
E11.1Type 2 diabetes mellitus with ketoacidosisCategory
E11.10Type 2 diabetes mellitus with ketoacidosis without comaBillable
E11.11Type 2 diabetes mellitus with ketoacidosis with comaBillable
E11.2Type 2 diabetes mellitus with kidney complicationsCategory
E11.21Type 2 diabetes mellitus with diabetic nephropathyBillable
E11.22Type 2 diabetes mellitus with diabetic chronic kidney diseaseBillable
E11.29Type 2 diabetes mellitus with other diabetic kidney complicationBillable
E11.3Type 2 diabetes mellitus with ophthalmic complicationsCategory
E11.31Type 2 diabetes mellitus with unspecified diabetic retinopathyCategory
E11.311Type 2 diabetes mellitus with unspecified diabetic retinopathy with macular edemaBillable
E11.319Type 2 diabetes mellitus with unspecified diabetic retinopathy without macular edemaBillable
E11.32Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathyCategory
E11.321Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edemaCategory
E11.3211Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, right eyeBillable
E11.3212Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, left eyeBillable
E11.3213Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, bilateralBillable
E11.3219Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, unspecified eyeBillable
E11.329Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edemaCategory
E11.3291Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, right eyeBillable
E11.3292Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, left eyeBillable
E11.3293Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, bilateralBillable
E11.3299Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, unspecified eyeBillable
E11.33Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathyCategory
E11.331Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edemaCategory
E11.3311Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, right eyeBillable
E11.3312Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, left eyeBillable
E11.3313Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, bilateralBillable

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This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

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ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.