Matthew came to see Dr. Lindsay complaining of fever, diarrhea, and vomiting. Matthew is diagnosed with influenza with gastrointestinal manifestations. This will be coded with which of the following codes?

A) J11.1
B) J10.2
C) J11.2
D) J09.X3

The given symptoms of fever, diarrhea, and vomiting suggest that Matthew is suffering from influenza with gastrointestinal manifestations. The code for this condition is J11.2, which is specific to influenza virus types A and B. Option A (J11.1) is for influenza virus type A only, while option B (J10.2) is for influenza virus with other complications. Option D (J09.X3) is a code for the flu vaccine. Therefore, the correct code for Matthew's condition is J11.2.