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ICD-10-CM category E11: Type 2 diabetes mellitus

Category E11 is a heading in chapter 4 (Endocrine, nutritional and metabolic diseases (E00-E89)), section Diabetes mellitus (E08-E13). It is not billable; report one of the 87 complete codes below.

Notes that apply to every E11 code

Includes
  • diabetes (mellitus) due to insulin secretory defect
  • diabetes NOS
  • insulin resistant diabetes (mellitus)
Excludes1 (never coded together)
  • diabetes mellitus due to underlying condition (E08.-)
  • 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.-)
Use additional code
  • 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)

Billable codes in E11

Billable FY2027 ICD-10-CM codes in category E11
CodeDescription
E11.00Type 2 diabetes mellitus with hyperosmolarity without nonketotic hyperglycemic-hyperosmolar coma (NKHHC)
E11.01Type 2 diabetes mellitus with hyperosmolarity with coma
E11.10Type 2 diabetes mellitus with ketoacidosis without coma
E11.11Type 2 diabetes mellitus with ketoacidosis with coma
E11.21Type 2 diabetes mellitus with diabetic nephropathy
E11.22Type 2 diabetes mellitus with diabetic chronic kidney disease
E11.29Type 2 diabetes mellitus with other diabetic kidney complication
E11.311Type 2 diabetes mellitus with unspecified diabetic retinopathy with macular edema
E11.319Type 2 diabetes mellitus with unspecified diabetic retinopathy without macular edema
E11.3211Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, right eye
E11.3212Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, left eye
E11.3213Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, bilateral
E11.3219Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, unspecified eye
E11.3291Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, right eye
E11.3292Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, left eye
E11.3293Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, bilateral
E11.3299Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, unspecified eye
E11.3311Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, right eye
E11.3312Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, left eye
E11.3313Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, bilateral
E11.3319Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, unspecified eye
E11.3391Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, right eye
E11.3392Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, left eye
E11.3393Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, bilateral
E11.3399Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, unspecified eye
E11.3411Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, right eye
E11.3412Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, left eye
E11.3413Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, bilateral
E11.3419Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, unspecified eye
E11.3491Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema, right eye
E11.3492Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema, left eye
E11.3493Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema, bilateral
E11.3499Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema, unspecified eye
E11.3511Type 2 diabetes mellitus with proliferative diabetic retinopathy with macular edema, right eye
E11.3512Type 2 diabetes mellitus with proliferative diabetic retinopathy with macular edema, left eye
E11.3513Type 2 diabetes mellitus with proliferative diabetic retinopathy with macular edema, bilateral
E11.3519Type 2 diabetes mellitus with proliferative diabetic retinopathy with macular edema, unspecified eye
E11.3521Type 2 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, right eye
E11.3522Type 2 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, left eye
E11.3523Type 2 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, bilateral
E11.3529Type 2 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, unspecified eye
E11.3531Type 2 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula, right eye
E11.3532Type 2 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula, left eye
E11.3533Type 2 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula, bilateral
E11.3539Type 2 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula, unspecified eye
E11.3541Type 2 diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment, right eye
E11.3542Type 2 diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment, left eye
E11.3543Type 2 diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment, bilateral
E11.3549Type 2 diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment, unspecified eye
E11.3551Type 2 diabetes mellitus with stable proliferative diabetic retinopathy, right eye
E11.3552Type 2 diabetes mellitus with stable proliferative diabetic retinopathy, left eye
E11.3553Type 2 diabetes mellitus with stable proliferative diabetic retinopathy, bilateral
E11.3559Type 2 diabetes mellitus with stable proliferative diabetic retinopathy, unspecified eye
E11.3591Type 2 diabetes mellitus with proliferative diabetic retinopathy without macular edema, right eye
E11.3592Type 2 diabetes mellitus with proliferative diabetic retinopathy without macular edema, left eye
E11.3593Type 2 diabetes mellitus with proliferative diabetic retinopathy without macular edema, bilateral
E11.3599Type 2 diabetes mellitus with proliferative diabetic retinopathy without macular edema, unspecified eye
E11.36Type 2 diabetes mellitus with diabetic cataract
E11.37X1Type 2 diabetes mellitus with diabetic macular edema, resolved following treatment, right eye
E11.37X2Type 2 diabetes mellitus with diabetic macular edema, resolved following treatment, left eye
E11.37X3Type 2 diabetes mellitus with diabetic macular edema, resolved following treatment, bilateral
E11.37X9Type 2 diabetes mellitus with diabetic macular edema, resolved following treatment, unspecified eye
E11.39Type 2 diabetes mellitus with other diabetic ophthalmic complication
E11.40Type 2 diabetes mellitus with diabetic neuropathy, unspecified
E11.41Type 2 diabetes mellitus with diabetic mononeuropathy
E11.42Type 2 diabetes mellitus with diabetic polyneuropathy
E11.43Type 2 diabetes mellitus with diabetic autonomic (poly)neuropathy
E11.44Type 2 diabetes mellitus with diabetic amyotrophy
E11.49Type 2 diabetes mellitus with other diabetic neurological complication
E11.51Type 2 diabetes mellitus with diabetic peripheral angiopathy without gangrene
E11.52Type 2 diabetes mellitus with diabetic peripheral angiopathy with gangrene
E11.59Type 2 diabetes mellitus with other circulatory complications
E11.610Type 2 diabetes mellitus with diabetic neuropathic arthropathy
E11.618Type 2 diabetes mellitus with other diabetic arthropathy
E11.620Type 2 diabetes mellitus with diabetic dermatitis
E11.621Type 2 diabetes mellitus with foot ulcer
E11.622Type 2 diabetes mellitus with other skin ulcer
E11.628Type 2 diabetes mellitus with other skin complications
E11.630Type 2 diabetes mellitus with periodontal disease
E11.638Type 2 diabetes mellitus with other oral complications
E11.641Type 2 diabetes mellitus with hypoglycemia with coma
E11.649Type 2 diabetes mellitus with hypoglycemia without coma
E11.65Type 2 diabetes mellitus with hyperglycemia
E11.69Type 2 diabetes mellitus with other specified complication
E11.8Type 2 diabetes mellitus with unspecified complications
E11.9Type 2 diabetes mellitus without complications
E11.AType 2 diabetes mellitus without complications in remission

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Codes from the FY2027 ICD-10-CM files (all chapters). Report the code that matches the documentation and the Official Guidelines; this list is not coding advice.