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E13.321

Non-billable

Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema

E13.321 is the ICD-10-CM code for Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema. It is a non-billable category code — use a more specific child code such as E13.3211 for billing.

Status
Header (non-billable)
Chapter
E00-E89
Parent
E13.32
Subcodes
4
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code E13.321?
E13.321 is the ICD-10-CM code for "Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E13.321 a billable code?
No — E13.321 is a non-billable header code. Use a more specific child code (such as E13.3211) for billing.
What are the subcodes of E13.321?
E13.321 has 4 more specific child codes, including E13.3211, E13.3212, E13.3213.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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