2026
ICD-10-CM
Diagnosis
Code

A78 Q fever

  • Billable
  • 2016–2026

A78 is a billable/specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Q fever.

Inclusion term

  • Infection due to Coxiella burnetii

  • Nine Mile fever

  • Quadrilateral fever

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