A01.4

What This Code Means

Paratyphoid fever is a bacterial infection similar to typhoid fever, caused by Salmonella bacteria, that causes fever, headache, and abdominal symptoms. This code is used when the specific type of paratyphoid fever (A, B, or C) cannot be determined or is not documented.

Coding Tips

• •If the specific paratyphoid type (A, B, or C) is documented in the medical record, use the more specific codes A01.1, A01.2, or A01.3 instead of the unspecified code
• •This is an infectious disease code that may require documentation of the causative organism and should be linked to appropriate treatment records showing antibiotic therapy