Flu-Like Symptoms ICD-10-CM Codes

Flu-Like Symptoms ICD-10-CM Codes

Learn about the flu-like symptoms ICD-10-CM codes you can use through this guide.

By Matt Olivares on Aug 8, 2025.

Fact Checked by Karina Jimenea.

Use Code

Commonly asked questions

ICD-10 code for flu-like symptoms is used when a patient shows influenza-like signs, but the specific cause is unknown. Common symptoms include fever, cough, sore throat, runny or stuffy nose, muscle aches, chills, fatigue, headache, nausea, vomiting, and diarrhea.

The most effective preventive measure against flu-like illnesses is getting an annual vaccination. If you experience flu-like symptoms, stay home to prevent spreading the illness, stay hydrated, get plenty of rest, and use over-the-counter medications for relief.

A diagnosis code for flu-like symptoms is employed to identify a set of symptoms resembling those of the influenza virus, without specifying the exact cause of the illness.

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