E09 vs E13.3212
E09 (Drug or chemical induced diabetes mellitus) compared with E13.3212 (Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, left eye), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. E09 carries an Excludes1 note covering E13.3212: “postpancreatectomy diabetes mellitus (E13.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. E09 carries an Excludes1 note covering E13.3212: “postprocedural diabetes mellitus (E13.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. E09 carries an Excludes1 note covering E13.3212: “secondary diabetes mellitus NEC (E13.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. E13.3212 carries an Excludes1 note covering E09: “drug or chemical induced diabetes mellitus (E09.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| E09Drug or chemical induced diabetes mellitus | E13.3212Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, left eye | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) |
| Definition | Drug or chemical induced diabetes mellitus is a non-billable ICD-10-CM category code (E09). | Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, left eye is a billable ICD-10-CM diagnosis code (E13.3212). |
| 7th character | — | One of the following 7th characters is to be assigned to codes in subcategory E13.32 to designate laterality of the disease: |
| Includes | — | diabetes mellitus due to genetic defects of beta-cell function diabetes mellitus due to genetic defects in insulin action postpancreatectomy diabetes mellitus postprocedural diabetes mellitus |
| Use additional code | 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) | code to identify control using: injectable non-insulin antidiabetic drugs (Z79.85) insulin (Z79.4) |
| Code first | poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources