Chapter 4

E00–E89: Endocrine, Nutritional and Metabolic Diseases

Endocrine, Nutritional and Metabolic Diseases diagnostic classification updated for 2026.

Chapter Instructions

Excludes1(Not coded here. Use a different code.)
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Internal Codes
  • E13.329

    Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema

  • E13.3291

    Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, right eye

  • E13.3292

    Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, left eye

  • E13.3293

    Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, bilateral

  • E13.3299

    Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, unspecified eye

  • E13.33

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy

  • E13.331

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema

  • E13.3311

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, right eye

  • E13.3312

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, left eye

  • E13.3313

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, bilateral

  • E13.3319

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, unspecified eye

  • E13.339

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema

  • E13.3391

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, right eye

  • E13.3392

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, left eye

  • E13.3393

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, bilateral

  • E13.3399

    Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, unspecified eye

  • E13.34

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy

  • E13.341

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema

  • E13.3411

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, right eye

  • E13.3412

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, left eye

  • E13.3413

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, bilateral

  • E13.3419

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, unspecified eye

  • E13.349

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema

  • E13.3491

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema, right eye

  • E13.3492

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema, left eye

  • E13.3493

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema, bilateral

  • E13.3499

    Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema, unspecified eye

  • E13.35

    Other specified diabetes mellitus with proliferative diabetic retinopathy

  • E13.351

    Other specified diabetes mellitus with proliferative diabetic retinopathy with macular edema

  • E13.3511

    Other specified diabetes mellitus with proliferative diabetic retinopathy with macular edema, right eye

  • E13.3512

    Other specified diabetes mellitus with proliferative diabetic retinopathy with macular edema, left eye

  • E13.3513

    Other specified diabetes mellitus with proliferative diabetic retinopathy with macular edema, bilateral

  • E13.3519

    Other specified diabetes mellitus with proliferative diabetic retinopathy with macular edema, unspecified eye

  • E13.352

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula

  • E13.3521

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, right eye

  • E13.3522

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, left eye

  • E13.3523

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, bilateral

  • E13.3529

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, unspecified eye

  • E13.353

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula

  • E13.3531

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula, right eye

  • E13.3532

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula, left eye

  • E13.3533

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula, bilateral

  • E13.3539

    Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula, unspecified eye

  • E13.354

    Other specified diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment

  • E13.3541

    Other specified diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment, right eye

  • E13.3542

    Other specified diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment, left eye

  • E13.3543

    Other specified diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment, bilateral

  • E13.3549

    Other specified diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment, unspecified eye

  • E13.355

    Other specified diabetes mellitus with stable proliferative diabetic retinopathy

  • E13.3551

    Other specified diabetes mellitus with stable proliferative diabetic retinopathy, right eye

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