Dengue – Definitions & ICD 11 Codes

Definition of Dengue: Dengue is a viral disease transmitted by the bite of a mosquito infected by dengue viruses. It is one disease entity with different clinical presentations and often with unpredictable clinical evolution and outcome. Most patients recover following a self-limiting non-severe clinical course like nausea, vomiting, rash, aches and pains, but a small proportion progress to severe disease, mostly characterised by plasma leakage with or without haemorrhage, although severe haemorrhages or severe organ impairment can occur, with or without dengue shock.

Coded Elsewhere:

  • Myelitis due to Dengue virus (1D02.1)
  • Encephalitis due to Dengue fever (1C80)

ICD 11 Code For Dengue without warning signs

1D20  Dengue without warning signs

Inclusions:

  • Dengue haemorrhagic fever Grade 1
  • Dengue fever without warning signs
  • Dengue haemorrhagic fever without warning signs

1D21  Dengue with warning signs

Definition of Dengue with warning signs: Clinical warning signs are: abdominal pain or tenderness, mucosal bleeding, lethargy and /or restlessness, rapid decrease in platelet count, increase in haematocrit. Other signs can include: persistent vomiting, visible fluid accumulation, liver enlargement more than 2 cm.

1D22  Severe dengue

Definition of Severe Dengue: Clinical signs include: 1. Severe plasma leakage leading to shock (Dengue shock syndrome – DSS) and/or fluid accumulation with respiratory distress. 2. severe bleeding as evaluated by clinician, 3.) severe organ involvement: Liver AST or ALT >=1000, CNS: impaired consciousness, involvement of other organs, as myocarditis or nephritis

1D2Z  Dengue fever unspecified

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