E10.331⚠ Requires 7th Character

Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema

Type 1 diabetes mellitus with moderate nonproliferative diab…

7th Character Required

One of the following 7th characters is to be assigned to codes in subcategory E10.33 to designate laterality of the disease:

This code is not valid for billing without a 7th character. Append one of the following to E10.331:

Code Hierarchy