5A10

ICD-11 MMS 2026-01

Type 1 diabetes mellitus

Description

Diabetes mellitus type 1 (type 1 diabetes, T1DM, formerly insulin dependent or juvenile diabetes) is a form of diabetes mellitus that results from destruction of insulin-producing beta cells, mostly by autoimmune mechanisms. The subsequent lack of insulin leads to increased blood and urine glucose.

Index terms

  • Type 1 diabetes mellitus
  • IDDM - [insulin dependent diabetes mellitus]
  • T1DM - [type 1 diabetes mellitus]
Show allHide
  • idiopathic insulin-dependent diabetes mellitus without complications
  • juvenile diabetes mellitus without complications
  • juvenile-onset diabetes mellitus without complications
  • juvenile-onset-type diabetes mellitus without complications
  • ketosis-prone diabetes mellitus without complications
  • type 1 IDDM
  • type 1 diabetes
  • Idiopathic Type 1 diabetes mellitus
  • Fulminant type 1 diabetes mellitus
  • Immune-related Type 1 diabetes mellitus
  • Immune-mediated Type 1 diabetes mellitus
  • Juvenile onset diabetes mellitus
  • Latent autoimmune diabetes in adults
  • LADA - [Latent autoimmune diabetes in adults]
  • SPIDDM - [Slowly progressive insulin-dependent diabetes mellitus]
  • slowly progressive insulin-dependent diabetes mellitus

Excludes

  • 5A11 – Type 2 diabetes mellitus
  • 5A13 – Diabetes mellitus, other specified type
  • JA63 – Diabetes mellitus in pregnancy

Exclusions from above levels

  • 18 – Pregnancy, childbirth or the puerperium
  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Foundation children elsewhere

  • JA63.0 – Pre-existing type 1 diabetes mellitus in pregnancy

Sibling codes

  • 5A11 – Type 2 diabetes mellitus
  • 5A12 – Malnutrition-related diabetes mellitus
  • 5A13 – Diabetes mellitus, other specified type
  • 5A14 – Diabetes mellitus, type unspecified

Foundation entity

Type 1 diabetes mellitus – http://id.who.int/icd/entity/1651053999

Allowed postcoordination axes

Part of: 05: Endocrine, nutritional or metabolic diseases