E11.311 Type 2 diabetes mellitus with unspecified diabetic retinopathy with macular edema

ICD-10-CM · CMS code reference

E11.311 codes type 2 diabetes with diabetic retinopathy of unstated type plus macular edema (swelling of the macula). If the record names the type (mild, moderate or severe nonproliferative, or proliferative), use the matching E11.32 to E11.35 code.

What to know

If the record says there is no macular edema, use E11.319 instead. The more specific E11.32 to E11.35 codes also record the eye: right, left or bilateral.

Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

Includes

diabetes (mellitus) due to insulin secretory defect
diabetes NOS
insulin resistant diabetes (mellitus)

Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

diabetes mellitus due to underlying condition (E08.-)
drug or chemical induced diabetes mellitus (E09.-)
gestational diabetes (O24.4-)
neonatal diabetes mellitus (P70.2)
postpancreatectomy diabetes mellitus (E13.-)
postprocedural diabetes mellitus (E13.-)
secondary diabetes mellitus NEC (E13.-)
type 1 diabetes mellitus (E10.-)

Use additional code

Add a second code for the following, when documented.

code to identify control using:
injectable non-insulin antidiabetic drugs (Z79.85)
insulin (Z79.4)
oral antidiabetic drugs (Z79.84)
oral hypoglycemic drugs (Z79.84)

Related codes

Common questions

Is E11.311 a billable code?

Yes. E11.311 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.