3B64.10

ICD-11 MMS 2026-01

Immune thrombocytopenic purpura

Description

Immune thrombocytopenic purpura (or immune thrombocytopenia; ITP) is an autoimmune coagulation disorder characterised by isolated thrombocytopenia (a platelet count <100,000/microL), in the absence of any underlying disorder that may be associated with thrombocytopenia.

Index terms

  • Immune thrombocytopenic purpura
  • Frank's essential thrombocytopenia
  • ITP - [idiopathic thrombocytopenia purpura]
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  • Werlhof disease
  • autoimmune thrombocytopenic purpura
  • essential thrombocytopenia
  • haemorrhagic purpura
  • idiopathic purpura
  • idiopathic thrombocytopenia
  • idiopathic thrombocytopenia purpura
  • idiopathic thrombocytopenic purpura
  • primary autoimmune thrombocytopenic purpura
  • purpura haemorrhagica
  • Immune thrombocytopenic purpura specified as refractory

Exclusions from above levels

  • JA43.3 – Postpartum coagulation defects
  • 04 – Diseases of the immune system
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth or the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 20 – Congenital malformations, deformations or chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes
  • http://id.who.int/icd/entity/1000704511 – Human immunodeficiency virus disease
  • JB64.1 – Other diseases of the blood or blood-forming organs or certain disorders involving the immune mechanism complicating pregnancy, childbirth or the puerperium

Foundation children elsewhere

Sibling codes

  • 3B64.11 – Secondary thrombocytopenic purpura
  • 3B64.12 – Drug-induced thrombocytopenic purpura
  • 3B64.13 – Alloimmune thrombocytopenia
  • 3B64.14 – Thrombotic thrombocytopenic purpura
  • 3B64.1Y – Other specified acquired thrombocytopenia
  • 3B64.1Z – Acquired thrombocytopenia, unspecified

Foundation entity

Immune thrombocytopenic purpura – http://id.who.int/icd/entity/364346400

Part of: 3B64.1: Acquired thrombocytopenia › 3B64: Thrombocytopenia › 03: Diseases of the blood or blood-forming organs