E13 Other specified diabetes mellitus

Category / Non-billable header 63 subcodes

Block: Diabetes mellitus (E08-E13)

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
  • secondary diabetes mellitus NEC

Excludes 1 (cannot be coded together)

  • diabetes (mellitus) due to autoimmune process (E10.-)
  • diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction (E10.-)
  • diabetes mellitus due to underlying condition (E08.-)
  • drug or chemical induced diabetes mellitus (E09.-)
  • gestational diabetes (O24.4-)
  • neonatal diabetes mellitus (P70.2)
  • 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)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
E13..0 Other specified diabetes mellitus with hyperosmolarity No
E13..00 Other specified diabetes mellitus with hyperosmolarity without nonketotic hyperglycemic-hyperosmolar coma (NKHHC) Yes
E13..01 Other specified diabetes mellitus with hyperosmolarity with coma Yes
E13..1 Other specified diabetes mellitus with ketoacidosis No
E13..10 Other specified diabetes mellitus with ketoacidosis without coma Yes
E13..11 Other specified diabetes mellitus with ketoacidosis with coma Yes
E13..2 Other specified diabetes mellitus with kidney complications No
E13..21 Other specified diabetes mellitus with diabetic nephropathy Yes
E13..22 Other specified diabetes mellitus with diabetic chronic kidney disease Yes
E13..29 Other specified diabetes mellitus with other diabetic kidney complication Yes
E13..3 Other specified diabetes mellitus with ophthalmic complications No
E13..31 Other specified diabetes mellitus with unspecified diabetic retinopathy No
E13..311 Other specified diabetes mellitus with unspecified diabetic retinopathy with macular edema Yes
E13..319 Other specified diabetes mellitus with unspecified diabetic retinopathy without macular edema Yes
E13..32 Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy No
E13..321 Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema No
E13..329 Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema No
E13..33 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy No
E13..331 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema No
E13..339 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema No
E13..34 Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy No
E13..341 Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema No
E13..349 Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema No
E13..35 Other specified diabetes mellitus with proliferative diabetic retinopathy No
E13..351 Other specified diabetes mellitus with proliferative diabetic retinopathy with macular edema No
E13..352 Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula No
E13..353 Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula No
E13..354 Other specified diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment No
E13..355 Other specified diabetes mellitus with stable proliferative diabetic retinopathy No
E13..359 Other specified diabetes mellitus with proliferative diabetic retinopathy without macular edema No
E13..36 Other specified diabetes mellitus with diabetic cataract Yes
E13..37 Other specified diabetes mellitus with diabetic macular edema, resolved following treatment No
E13..39 Other specified diabetes mellitus with other diabetic ophthalmic complication Yes
E13..4 Other specified diabetes mellitus with neurological complications No
E13..40 Other specified diabetes mellitus with diabetic neuropathy, unspecified Yes
E13..41 Other specified diabetes mellitus with diabetic mononeuropathy Yes
E13..42 Other specified diabetes mellitus with diabetic polyneuropathy Yes
E13..43 Other specified diabetes mellitus with diabetic autonomic (poly)neuropathy Yes
E13..44 Other specified diabetes mellitus with diabetic amyotrophy Yes
E13..49 Other specified diabetes mellitus with other diabetic neurological complication Yes
E13..5 Other specified diabetes mellitus with circulatory complications No
E13..51 Other specified diabetes mellitus with diabetic peripheral angiopathy without gangrene Yes
E13..52 Other specified diabetes mellitus with diabetic peripheral angiopathy with gangrene Yes
E13..59 Other specified diabetes mellitus with other circulatory complications Yes
E13..6 Other specified diabetes mellitus with other specified complications No
E13..61 Other specified diabetes mellitus with diabetic arthropathy No
E13..610 Other specified diabetes mellitus with diabetic neuropathic arthropathy Yes
E13..618 Other specified diabetes mellitus with other diabetic arthropathy Yes
E13..62 Other specified diabetes mellitus with skin complications No
E13..620 Other specified diabetes mellitus with diabetic dermatitis Yes
E13..621 Other specified diabetes mellitus with foot ulcer Yes
E13..622 Other specified diabetes mellitus with other skin ulcer Yes
E13..628 Other specified diabetes mellitus with other skin complications Yes
E13..63 Other specified diabetes mellitus with oral complications No
E13..630 Other specified diabetes mellitus with periodontal disease Yes
E13..638 Other specified diabetes mellitus with other oral complications Yes
E13..64 Other specified diabetes mellitus with hypoglycemia No
E13..641 Other specified diabetes mellitus with hypoglycemia with coma Yes
E13..649 Other specified diabetes mellitus with hypoglycemia without coma Yes
E13..65 Other specified diabetes mellitus with hyperglycemia Yes
E13..69 Other specified diabetes mellitus with other specified complication Yes
E13..8 Other specified diabetes mellitus with unspecified complications Yes
E13..9 Other specified diabetes mellitus without complications Yes

Last reviewed: September 2026