ICD-11 classes
05 Endocrine, nutritional or metabolic diseases
Endocrine diseases
Diabetes mellitus
5A10 — Type 1 diabetes mellitus

ICD-11 5A10 — Type 1 diabetes mellitus

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.

The diagnosis includes nothing.

It excludes 3 items.

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

Diagnosis with code 5A10 contains 1 clarifying diagnosis:

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

The diagnosis is included in 1 another class.

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

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