E09.321Header code — not billable

Drug or chemical induced diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema

Short description: Drug/chem diab w mild nonprlf diabetic rtnop w macular edema

Chapter
4. Endocrine, nutritional and metabolic diseases
Category
E09
Effective date
October 1, 2026

Related codes in category E09

E09Drug or chemical induced diabetes mellitusE09.0Drug or chemical induced diabetes mellitus w hyperosmolarityE09.00Drug/chem diab w hyprosm w/o nonket hyprgly-hypros comaYesE09.01Drug/chem diabetes mellitus w hyperosmolarity w comaYesE09.1Drug or chemical induced diabetes mellitus with ketoacidosisE09.10Drug/chem diabetes mellitus w ketoacidosis w/o comaYesE09.11Drug/chem diabetes mellitus w ketoacidosis w comaYesE09.2Drug/chem diabetes mellitus w kidney complicationsE09.21Drug/chem diabetes mellitus w diabetic nephropathyYesE09.22Drug/chem diabetes w diabetic chronic kidney diseaseYesE09.29Drug/chem diabetes w oth diabetic kidney complicationYesE09.3Drug/chem diabetes mellitus w ophthalmic complications

Frequently asked questions

What is ICD-10 code E09.321?

E09.321 is an ICD-10-CM diagnosis code for Drug or chemical induced diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema.

Is E09.321 a billable code?

No. E09.321 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 E09.321 in?

E09.321 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.

When did E09.321 become effective?

E09.321 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to E09.321?

E09.321 belongs to category E09, 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.