E10 Type 1 diabetes mellitus

Category / Non-billable header 64 subcodes

Block: Diabetes mellitus (E08-E13)

Includes

  • brittle diabetes (mellitus)
  • diabetes (mellitus) due to autoimmune process
  • diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction
  • idiopathic diabetes (mellitus)
  • juvenile onset diabetes (mellitus)
  • ketosis-prone diabetes (mellitus)

Excludes 1 (cannot be coded together)

  • diabetes mellitus due to underlying condition (E08.-)
  • drug or chemical induced diabetes mellitus (E09.-)
  • gestational diabetes (O24.4-)
  • hyperglycemia NOS (R73.9)
  • neonatal diabetes mellitus (P70.2)
  • postpancreatectomy diabetes mellitus (E13.-)
  • postprocedural diabetes mellitus (E13.-)
  • secondary diabetes mellitus NEC (E13.-)
  • type 2 diabetes mellitus (E11.-)

Subcodes

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

Code Description Billable
E10..1 Type 1 diabetes mellitus with ketoacidosis No
E10..10 Type 1 diabetes mellitus with ketoacidosis without coma Yes
E10..11 Type 1 diabetes mellitus with ketoacidosis with coma Yes
E10..2 Type 1 diabetes mellitus with kidney complications No
E10..21 Type 1 diabetes mellitus with diabetic nephropathy Yes
E10..22 Type 1 diabetes mellitus with diabetic chronic kidney disease Yes
E10..29 Type 1 diabetes mellitus with other diabetic kidney complication Yes
E10..3 Type 1 diabetes mellitus with ophthalmic complications No
E10..31 Type 1 diabetes mellitus with unspecified diabetic retinopathy No
E10..311 Type 1 diabetes mellitus with unspecified diabetic retinopathy with macular edema Yes
E10..319 Type 1 diabetes mellitus with unspecified diabetic retinopathy without macular edema Yes
E10..32 Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy No
E10..321 Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema No
E10..329 Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema No
E10..33 Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy No
E10..331 Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema No
E10..339 Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema No
E10..34 Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy No
E10..341 Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema No
E10..349 Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema No
E10..35 Type 1 diabetes mellitus with proliferative diabetic retinopathy No
E10..351 Type 1 diabetes mellitus with proliferative diabetic retinopathy with macular edema No
E10..352 Type 1 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula No
E10..353 Type 1 diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment not involving the macula No
E10..354 Type 1 diabetes mellitus with proliferative diabetic retinopathy with combined traction retinal detachment and rhegmatogenous retinal detachment No
E10..355 Type 1 diabetes mellitus with stable proliferative diabetic retinopathy No
E10..359 Type 1 diabetes mellitus with proliferative diabetic retinopathy without macular edema No
E10..36 Type 1 diabetes mellitus with diabetic cataract Yes
E10..37 Type 1 diabetes mellitus with diabetic macular edema, resolved following treatment No
E10..39 Type 1 diabetes mellitus with other diabetic ophthalmic complication Yes
E10..4 Type 1 diabetes mellitus with neurological complications No
E10..40 Type 1 diabetes mellitus with diabetic neuropathy, unspecified Yes
E10..41 Type 1 diabetes mellitus with diabetic mononeuropathy Yes
E10..42 Type 1 diabetes mellitus with diabetic polyneuropathy Yes
E10..43 Type 1 diabetes mellitus with diabetic autonomic (poly)neuropathy Yes
E10..44 Type 1 diabetes mellitus with diabetic amyotrophy Yes
E10..49 Type 1 diabetes mellitus with other diabetic neurological complication Yes
E10..5 Type 1 diabetes mellitus with circulatory complications No
E10..51 Type 1 diabetes mellitus with diabetic peripheral angiopathy without gangrene Yes
E10..52 Type 1 diabetes mellitus with diabetic peripheral angiopathy with gangrene Yes
E10..59 Type 1 diabetes mellitus with other circulatory complications Yes
E10..6 Type 1 diabetes mellitus with other specified complications No
E10..61 Type 1 diabetes mellitus with diabetic arthropathy No
E10..610 Type 1 diabetes mellitus with diabetic neuropathic arthropathy Yes
E10..618 Type 1 diabetes mellitus with other diabetic arthropathy Yes
E10..62 Type 1 diabetes mellitus with skin complications No
E10..620 Type 1 diabetes mellitus with diabetic dermatitis Yes
E10..621 Type 1 diabetes mellitus with foot ulcer Yes
E10..622 Type 1 diabetes mellitus with other skin ulcer Yes
E10..628 Type 1 diabetes mellitus with other skin complications Yes
E10..63 Type 1 diabetes mellitus with oral complications No
E10..630 Type 1 diabetes mellitus with periodontal disease Yes
E10..638 Type 1 diabetes mellitus with other oral complications Yes
E10..64 Type 1 diabetes mellitus with hypoglycemia No
E10..641 Type 1 diabetes mellitus with hypoglycemia with coma Yes
E10..649 Type 1 diabetes mellitus with hypoglycemia without coma Yes
E10..65 Type 1 diabetes mellitus with hyperglycemia Yes
E10..69 Type 1 diabetes mellitus with other specified complication Yes
E10..8 Type 1 diabetes mellitus with unspecified complications Yes
E10..9 Type 1 diabetes mellitus without complications Yes
E10..A Type 1 diabetes mellitus, presymptomatic No
E10..A0 Type 1 diabetes mellitus, presymptomatic, unspecified Yes
E10..A1 Type 1 diabetes mellitus, presymptomatic, Stage 1 Yes
E10..A2 Type 1 diabetes mellitus, presymptomatic, Stage 2 Yes

Last reviewed: September 2026