ICDcodes.org
FY2027

E09.321Drug or chemical induced diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema

Not billable

Is E09.321 billable?

No — E09.321 is a non-billable header code. E09.321 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 4 billable codes beneath E09.321.

E09.321 at a glance

CodeE09.321
DescriptionDrug or chemical induced diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is E09.321 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to E09.321. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Diabetes, diabeticdue to drug or chemicalwithretinopathynonproliferativewith macular edema (mellitus) (sugar)
  • Diabetes, diabeticdue to drug or chemicalwithretinopathynonproliferativemildwith macular edema (mellitus) (sugar)

Excludes1 — never code together — inherited from Chapter 4

The conditions below can never be reported together with E09.321 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 E09

The conditions below can never be reported together with E09.321 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 underlying condition (E08.-)
  • 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.-)
  • type 2 diabetes mellitus (E11.-)

Code first — inherited from E09

The underlying condition below must be sequenced before E09.321. E09.321 describes a manifestation and cannot be the principal or first-listed diagnosis.

  • poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use additional code — inherited from E09

Report an additional code alongside E09.321 to fully describe the condition. E09.321 is sequenced first.

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • 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)

What codes fall under E09.321? (4)

How long has E09.321 existed?

E09.321 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

  • FY2018: E09.321 stopped being billable

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

What other codes are in the E09.32 family? (1)