E08.329
Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edema
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- E08.3291Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edema, right eyeBillable
- E08.3292Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edema, left eyeBillable
- E08.3293Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edema, bilateralBillable
- E08.3299Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathy without macular edema, unspecified eyeBillable
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Diabetes mellitus due to underlying condition with nonproliferative diabetic retinopathy NOS
One of the following 7th characters is to be assigned to codes in subcategory E08.32 to designate laterality of the disease:
| Character | Meaning |
|---|---|
| 1 | right eye |
| 2 | left eye |
| 3 | bilateral |
| 9 | unspecified eye |
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.-) type 2 diabetes mellitus (E11.-)
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Official Guidelines for E08.329
FY 2026 ›Subsections
Sections that reference E08.329
- I.C.4.a.6)Secondary diabetes mellitus
Codes under categories E08, Diabetes mellitus due to underlying condition, E09, Drug or chemical induced diabetes mellitus, and E13, Other specified …
- I.C.4.a.6)(b)Assigning and sequencing secondary diabetes codes and its causes
… diabetes codes in relationship to codes for the cause of the diabetes is based on the Tabular List instructions for categories E08, E09 and E13.
- I.C.4.aDiabetes mellitus
… Assign as many codes from categories E08 – E13 as needed to identify all of the associated conditions that the patient has.
- I.C.15.gDiabetes mellitus in pregnancyChapter 15
… O24, Diabetes mellitus in pregnancy, childbirth, and the puerperium, first, followed by the appropriate diabetes code(s) (E08-E13) from Chapter 4.
Sections whose FY 2026 text names E08.329, its E08 category, or a range containing it — the chapter guidance above is the authoritative source.
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