3B64.1

ICD-11 MMS 2026-01

Acquired thrombocytopenia

Description

A disease caused by determinants arising after birth, leading to low platelet count. This disease is characterised by low levels of platelets within the blood. This disease may present with increased bruising or haemorrhaging. Confirmation is by identification of decreased platelet count in a blood sample.

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

Child codes

  • 3B64.10 – Immune thrombocytopenic purpura
  • 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

Sibling codes

  • 3B64.0 – Congenital thrombocytopenia
  • 3B64.Z – Thrombocytopenia, unspecified

Foundation entity

Acquired thrombocytopenia – http://id.who.int/icd/entity/526155201

Part of: 3B64: Thrombocytopenia › 03: Diseases of the blood or blood-forming organs