1D4A

ICD-11 MMS 2026-01

Omsk haemorrhagic fever

Description

A disease caused by an infection with the Omsk haemorrhagic fever virus. This disease is characterised by fever, chills, headache, gastrointestinal symptoms and bleeding, or muscle pain with vomiting. In severe cases, this disease may also present with encephalitis. Transmission is through the bite of an infected tick, by direct contact with an infected animal, by the faecal-oral route from an infected animal, or by ingestion of milk from infected goats or sheep. Confirmation is by detection of anti-Omsk haemorrhagic fever virus antibodies in a serum sample.

Index terms

  • Omsk haemorrhagic fever
  • OHF - [Omsk haemorrhagic fever]
  • spring-fall haemorrhagic fever

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1D40 – Chikungunya virus disease
  • 1D41 – Colorado tick fever
  • 1D42 – O'nyong-nyong fever
  • 1D43 – Oropouche virus disease
  • 1D44 – Rift Valley fever
  • 1D45 – Sandfly fever
  • 1D46 – West Nile virus infection
  • 1D47 – Yellow fever
  • 1D48 – Zika virus disease
  • 1D49 – Crimean-Congo haemorrhagic fever
  • 1D4B – Kyasanur Forest disease
  • 1D4C – Alkhurma haemorrhagic fever
  • 1D4D – Ross River disease
  • 1D4E – Severe fever with thrombocytopenia syndrome
  • 1D4Y – Other specified arthropod-borne viral fevers
  • 1D4Z – Arthropod-borne viral fever, virus unspecified

Foundation entity

Omsk haemorrhagic fever – http://id.who.int/icd/entity/946068954

Part of: 01: Certain infectious or parasitic diseases