ICDcodes.org
FY2027

E13.3391Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, right eye

BillableUnspecified

Is E13.3391 billable?

Yes, but E13.3391 is an unspecified code. E13.3391 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, E13.3391 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting E13.3391.

E13.3391 at a glance

CodeE13.3391
DescriptionOther specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, right eye
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "1"right eye

What does the 7th character "1" mean in E13.3391?

In E13.3391, the 7th character 1 means right eye. The 7th character is required for E13.3391 to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

Which MS-DRGs does E13.3391 group to?

E13.3391 sits in MDC Pre and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 008Simultaneous Pancreas, Islet Cell and Kidney Transplantsurgical

How is E13.3391 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under E13.339, the nearest indexed parent of E13.3391. Use them to find the family, then select the specific code.

  • Diabetes, diabeticspecified type NECwithretinopathynonproliferativemoderate (mellitus) (sugar)

Excludes1 — never code together — inherited from Chapter 4

The conditions below can never be reported together with E13.3391 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Excludes1 — never code together — inherited from E13

The conditions below can never be reported together with E13.3391 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • diabetes (mellitus) due to autoimmune process (E10.-)
  • diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction (E10.-)
  • diabetes mellitus due to underlying condition (E08.-)
  • drug or chemical induced diabetes mellitus (E09.-)
  • gestational diabetes (O24.4-)
  • neonatal diabetes mellitus (P70.2)
  • type 1 diabetes mellitus (E10.-)

Use additional code — inherited from E13

Report an additional code alongside E13.3391 to fully describe the condition. E13.3391 is sequenced first.

  • 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)

How long has E13.3391 existed?

E13.3391 first appears in FY2018 (FY2017 is not available, so it may have appeared then).

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.