5A40.1

ICD-11 MMS 2026-01

Impaired glucose tolerance

Description

Impaired glucose tolerance (IGT) is a metabolic disorder, which is characterised by 2-h postload glucose 140–199 mg/dl (7.8–11.1 mmol/l).

Index terms

  • Impaired glucose tolerance
  • IGT - [impaired glucose tolerance]
  • Impaired glucose tolerance with unspecified complication
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  • Impaired glucose tolerance without complication
  • abnormal glucose tolerance
  • Impaired carbohydrate tolerance

Exclusions from above levels

  • 5A10 – Idiopathic Type 1 diabetes mellitus
  • 5A11 – Type 2 diabetes mellitus
  • 5A13 – Diabetes mellitus, other specified type
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  • 5A14 – Diabetes mellitus, type unspecified
  • MA18.0 – Elevated blood glucose level
  • 2C10 – Malignant neoplasm of pancreas
  • 2E92.9 – Benign neoplasm of endocrine pancreas
  • 2F7A.0 – Multiple endocrine neoplasia type 1
  • 18 – Pregnancy, childbirth or the puerperium
  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Sibling codes

  • 5A40.0 – Impaired fasting glucose
  • 5A40.Y – Other specified intermediate hyperglycaemia
  • 5A40.Z – Intermediate hyperglycaemia, unspecified

Foundation entity

Impaired glucose tolerance – http://id.who.int/icd/entity/1085399840

Allowed postcoordination axes

Part of: 5A40: Intermediate hyperglycaemia › 05: Endocrine, nutritional or metabolic diseases