01Certain infectious or parasitic diseases Other bacterial diseases 1C19Legionellosis
1C19.0
category
Nonpneumonic Legionnaires' disease
Definition Pontiac fever (PF) is a mild form of legionellosis manifesting with flu-like symptoms such as nausea, myalgia, fever, cough and headache but without pneumonia.
Also indexed as
Nonpneumonic Legionnaires' disease extrapulmonary legionella infection legionellosis nonpneumonic nonpneumonic Legionnaire's disorder nonpneumonic legionella pneumophila infection pontiac fever
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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