3B64

ICD-11 MMS 2026-01

Thrombocytopenia

Description

This disease is characterised by decreased 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

  • 3B64.0 – Congenital thrombocytopenia
  • 3B64.1 – Acquired thrombocytopenia
  • 3B64.Z – Thrombocytopenia, unspecified

Foundation children elsewhere

  • 3B62.2 – Isolated thrombocytopenia

Sibling codes

  • 3B60 – Non-thrombocytopenic purpura
  • 3B61 – Thrombophilia
  • 3B62 – Qualitative platelet defects
  • 3B63 – Thrombocytosis
  • 3B65 – Thrombotic microangiopathy, not elsewhere classified
  • 3B6Y – Other specified coagulation defects, purpura or other haemorrhagic or related conditions
  • 3B6Z – Coagulation defects, purpura or other haemorrhagic or related conditions, unspecified

Foundation entity

Thrombocytopenia – http://id.who.int/icd/entity/683583694

Allowed postcoordination axes

Part of: 03: Diseases of the blood or blood-forming organs