1F53

ICD-11 MMS 2026-01

Chagas disease

Description

A disease caused by an infection with the protozoan parasite Trypanosoma cruzi. This disease is characterised by fever, headache, lymphadenopathy, pallor, muscle pain, dyspnoea, swelling, or abdominal or chest pain. This disease may also be asymptomatic. Transmission is by direct contact with faeces from an infected triatomine bug, vertical transmission, iatrogenic transmission, or ingestion of contaminated food or water. Confirmation is by identification of Trypanosoma cruzi in a blood sample.

Inclusions

  • American trypanosomiasis
  • infection due to Trypanosoma cruzi

Exclusions from above levels

  • http://id.who.int/icd/entity/2092703582 – Protozoal intestinal infections
  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Child codes

  • 1F53.1 – Acute Chagas disease without heart involvement
  • 1F53.2 – Chronic Chagas disease with heart involvement
  • 1F53.3 – Chagas disease with digestive system involvement
  • 1F53.4 – Meningitis in Chagas disease
  • 1F53.Y – Other specified Chagas disease
  • 1F53.Z – Chagas disease, unspecified

Sibling codes

  • 1F50 – Acanthamoebiasis
  • 1F51 – African trypanosomiasis
  • 1F52 – Babesiosis
  • 1F54 – Leishmaniasis
  • 1F55 – Naegleriasis
  • 1F56 – Rhinosporidiosis
  • 1F57 – Toxoplasmosis
  • 1F58 – Microsporidiosis
  • 1F5Z – Unspecified protozoal disease

Foundation entity

Chagas disease – http://id.who.int/icd/entity/1365585570

Allowed postcoordination axes

Part of: 01: Certain infectious or parasitic diseases