E08.321
⚠ Non-billable (Header)Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edema
Endocrine, nutritional and metabolic diseases (E00-E89)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for E08.321
Child Codes (4)
E08.3211Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edema, right eyeE08.3212Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edema, left eyeE08.3213Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edema, bilateralE08.3219Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy with macular edema, unspecified eye
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CodeE08.321
BillableNo — Header code
ParentE08.32
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes10 rule(s)
Excludes20 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)