E11.321Header code — not billable
Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema
Short description: Type 2 diab w mild nonprlf diabetic rtnop w macular edema
- Chapter
- 4. Endocrine, nutritional and metabolic diseases
- Category
- E11
- Effective date
- October 1, 2026
Related codes in category E11
E11Type 2 diabetes mellitusE11.0Type 2 diabetes mellitus with hyperosmolarityE11.00Type 2 diab w hyprosm w/o nonket hyprgly-hypros coma (NKHHC)YesE11.01Type 2 diabetes mellitus with hyperosmolarity with comaYesE11.1Type 2 diabetes mellitus with ketoacidosisE11.10Type 2 diabetes mellitus with ketoacidosis without comaYesE11.11Type 2 diabetes mellitus with ketoacidosis with comaYesE11.2Type 2 diabetes mellitus with kidney complicationsE11.21Type 2 diabetes mellitus with diabetic nephropathyYesE11.22Type 2 diabetes mellitus w diabetic chronic kidney diseaseYesE11.29Type 2 diabetes mellitus w oth diabetic kidney complicationYesE11.3Type 2 diabetes mellitus with ophthalmic complications
Frequently asked questions
What is ICD-10 code E11.321?
E11.321 is an ICD-10-CM diagnosis code for Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema.
Is E11.321 a billable code?
No. E11.321 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is E11.321 in?
E11.321 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.
When did E11.321 become effective?
E11.321 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to E11.321?
E11.321 belongs to category E11, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.