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ICD-10-CM · FY 2026 APRIL UPDATE

E08

Diabetes mellitus due to underlying condition

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
E08.0Diabetes mellitus due to underlying condition with hyperosmolarityCategory
E08.00Diabetes mellitus due to underlying condition with hyperosmolarity without nonketotic hyperglycemic-hyperosmolar coma (NKHHC)Billable
E08.01Diabetes mellitus due to underlying condition with hyperosmolarity with comaBillable
E08.1Diabetes mellitus due to underlying condition with ketoacidosisCategory
E08.10Diabetes mellitus due to underlying condition with ketoacidosis without comaBillable
E08.11Diabetes mellitus due to underlying condition with ketoacidosis with comaBillable
E08.2Diabetes mellitus due to underlying condition with kidney complicationsCategory
E08.21Diabetes mellitus due to underlying condition with diabetic nephropathyBillable
E08.22Diabetes mellitus due to underlying condition with diabetic chronic kidney diseaseBillable
E08.29Diabetes mellitus due to underlying condition with other diabetic kidney complicationBillable
E08.3Diabetes mellitus due to underlying condition with ophthalmic complicationsCategory
E08.31Diabetes mellitus due to underlying condition with unspecified diabetic retinopathyCategory
E08.311Diabetes mellitus due to underlying condition with unspecified diabetic retinopathy with macular edemaBillable
E08.319Diabetes mellitus due to underlying condition with unspecified diabetic retinopathy without macular edemaBillable
E08.32Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathyCategory
E08.321Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edemaCategory
E08.3211Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edema, right eyeBillable
E08.3212Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edema, left eyeBillable
E08.3213Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edema, bilateralBillable
E08.3219Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edema, unspecified eyeBillable
E08.329Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edemaCategory
E08.3291Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edema, right eyeBillable
E08.3292Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edema, left eyeBillable
E08.3293Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edema, bilateralBillable
E08.3299Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edema, unspecified eyeBillable
E08.33Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathyCategory
E08.331Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathy with macular edemaCategory
E08.3311Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathy with macular edema, right eyeBillable
E08.3312Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathy with macular edema, left eyeBillable
E08.3313Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathy with macular edema, bilateralBillable

Use the complete reference

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.