A49Bacterial infection of unspecified site
ICD-10-CM category (non-billable header) code — part of Other bacterial diseases (A30-A49)
Coding Notes
Excludes1 (never code both together)
- bacterial agents as the cause of diseases classified elsewhere (B95-B96)
- meningococcal infection NOS (A39.9)
- rickettsial infection NOS (A79.9)
- spirochetal infection NOS (A69.9)
Excludes2 (not part of this condition — may code both)
- chlamydial infection NOS (A74.9)
Subcategories (6)
- A49.0 Staphylococcal infection, unspecified site
- A49.1 Streptococcal infection, unspecified site
- A49.2 Hemophilus influenzae infection, unspecified site
- A49.3 Mycoplasma infection, unspecified site
- A49.8 Other bacterial infections of unspecified site
- A49.9 Bacterial infection, unspecified