Type 1 diabetes mellitus, presymptomatic

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2025 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

E10.A0 Type 1 diabetes mellitus, presymptomatic, unspecified
E10.A1 Type 1 diabetes mellitus, presymptomatic, Stage 1
E10.A2 Type 1 diabetes mellitus, presymptomatic, Stage 2

What has happened to this code

Every change the publisher made, from 2025 to now.

FY2025 Added to the code set Type 1 diabetes mellitus, presymptomatic

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from E10 Type 1 diabetes mellitus

Excludes1 - never coded here

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.-)

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)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Pitting
Comatose
Lipedema
Cataracta
Unconscious
Glomerulitis
Glomerulopathy
Klebs' disease
Retention > water
Coma > in diabetes
Intumescence, lens
Mellitus, diabetes
Cataract > diabetic
Coma > hyperosmolar
Coma > hypoglycemic
Coma > ketoacidotic
Kimmelstiel disease
Cataract > snowflake
Cataracta > diabetic
Coma > hyperglycemic
Retinitis > diabetic
Coma > insulin-induced
Glomerular > nephritis
Ketosis NEC > diabetic
Retinopathy > diabetic
Arthropathy > Charcot's
Charcot's > arthropathy
Hypoglycemia > diabetic
Ketoacidosis > diabetic
Cataract > in > diabetes
Change > bone > diabetic
Gastroparesis > diabetic
Opacity, opacities > lens
Polyneuropathy > diabetic
Arthropathy > diabetic NEC
Disease, diseased > Klebs'
Disorder > lens > cataract
Gastroparalysis > diabetic
Arthropathy > in > diabetes
Disease, diseased > Willis'

Showing 40 of 100 index phrases.

Codes in the same group

Code	Description	Status
E10.1	Type 1 diabetes mellitus with ketoacidosis	Not billable
E10.2	Type 1 diabetes mellitus with kidney complications	Not billable
E10.3	Type 1 diabetes mellitus with ophthalmic complications	Not billable
E10.4	Type 1 diabetes mellitus with neurological complications	Not billable
E10.5	Type 1 diabetes mellitus with circulatory complications	Not billable
E10.6	Type 1 diabetes mellitus with other specified complications	Not billable
E10.8	Type 1 diabetes mellitus with unspecified complications	Valid
E10.9	Type 1 diabetes mellitus without complications	Valid