ICD-10-CM · Chapter 1 · A00–B99
A49.9
Bacterial infection, unspecified
Certain infectious and parasitic diseases
Quick facts
- Code
- A49.9
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 1 — Certain infectious and parasitic diseases
- Category
- A49 — Bacterial infection of unspecified site
- Specificity
- 4 characters
How coders use this code
ICD-10-CM A49.9 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of bacterial infection, unspecified. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in A49
- A49Bacterial infection of unspecified site
- A49.0Staphylococcal infection, unspecified site
- A49.01Methicillin susceptible Staphylococcus aureus infection, unspecified site
- A49.02Methicillin resistant Staphylococcus aureus infection, unspecified site
- A49.1Streptococcal infection, unspecified site
- A49.2Hemophilus influenzae infection, unspecified site
- A49.3Mycoplasma infection, unspecified site
- A49.8Other bacterial infections of unspecified site
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