Coding and coverage · ICD-10-CM

E08

E08.3 Diabetes mellitus due to underlying condition with ophthalmic complications

Not billable (header)Chapter 4

Report one of the more specific codes below.

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Codes under this one

  • E08.31 Diabetes mellitus due to underlying condition with unspecified diabetic retinopathyHeader
  • E08.32 Diabetes mellitus due to underlying condition with mild nonproliferative diabetic retinopathyHeader
  • E08.33 Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathyHeader
  • E08.34 Diabetes mellitus due to underlying condition with severe nonproliferative diabetic retinopathyHeader
  • E08.35 Diabetes mellitus due to underlying condition with proliferative diabetic retinopathyHeader
  • E08.36 Diabetes mellitus due to underlying condition with diabetic cataract
  • E08.37 Diabetes mellitus due to underlying condition with diabetic macular edema, resolved following treatmentHeader
  • E08.39 Diabetes mellitus due to underlying condition with other diabetic ophthalmic complication

Instructional notes

Chapter 4

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Notes
  • 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.

E08

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • 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.-)
Code firstSequence the underlying condition first.
  • the underlying condition, such as:
  • congenital rubella (P35.0)
  • Cushing's syndrome (E24.-)
  • cystic fibrosis (E84.-)
  • malignant neoplasm (C00-C96)
  • malnutrition (E40-E46)
  • pancreatitis and other diseases of the pancreas (K85-K86.-)
Use additional codeAdd a second code for the full picture.
  • 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)

Chapter 4: Endocrine, nutritional and metabolic diseases · E08-E13 Diabetes mellitus (E08-E13)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.