3A80.0

ICD-11 MMS 2026-01

Primary inherited erythrocytosis

Description

A disease caused by genetically inherited factors leading to changes in the concentration of red blood cells. This disease is characterised by having a high concentration of red blood cells in the body leading to slow flow of blood. Confirmation is by identification of mutations by genetic testing.

Index terms

  • Primary inherited erythrocytosis
  • Primary familial polycythaemia
  • Primary inherited polycythaemia
Show allHide
  • Polycythaemia due to HIF2A mutation
  • Polycythaemia due to PHD2 mutation
  • Polycythaemia due to VHL mutation
  • Chuvash erythrocytosis
  • Chuvash polycythaemia
  • Von Hippel-Lindau-dependent polycythaemia
  • Primary familial polycythaemia due to EPOR mutation
  • Primary familial polycythaemia due to other mutations

Exclusions from above levels

  • 04 – Diseases of the immune system
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth or the puerperium
Show allHide
  • 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

Sibling codes

  • 3A80.Y – Other specified congenital polycythaemia
  • 3A80.Z – Congenital polycythaemia, unspecified

Foundation entity

Primary inherited erythrocytosis – http://id.who.int/icd/entity/962836252

Part of: 3A80: Congenital polycythaemia › 03: Diseases of the blood or blood-forming organs