A49.8 Other bacterial infections of unspecified site

Billable ICD-10-CM code, FY2026.

Applies from A49 Bacterial infection of unspecified site

Excludes1 (never code together)

• bacterial agents as the cause of diseases classified elsewhere (B95-B96)
• chlamydial infection NOS (A74.9)
• meningococcal infection NOS (A39.9)
• rickettsial infection NOS (A79.9)
• spirochetal infection NOS (A69.9)

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 041.89 Other specified bacterial infections in conditions classified elsewhere and of unspecified site, other specified bacteria (approximate)

Diagnosis Index entries for A49.8

• Burkholderia › cepacia
• Colibacillosis
• Friedländer's B (bacillus) NEC
• Infection, infected, infective (opportunistic) › Bacillus › Friedländer's NEC
• Infection, infected, infective (opportunistic) › bacterial NOS › as cause of disease classified elsewhere › Cronobacter (sakazakii)
• Infection, infected, infective (opportunistic) › Bacteroides NEC
• Infection, infected, infective (opportunistic) › Cronobacter (sakazakii)
• Infection, infected, infective (opportunistic) › Escherichia (E.) coli NEC
• Infection, infected, infective (opportunistic) › Klebsiella (K.) pneumoniae NEC
• Infection, infected, infective (opportunistic) › mixed flora (bacterial) NEC
• Infection, infected, infective (opportunistic) › Proteus (mirabilis) (morganii) (vulgaris) NEC
• Infection, infected, infective (opportunistic) › Pseudomonas NEC
• Infection, infected, infective (opportunistic) › Serratia NEC

Nearby codes

• A49.01 Methicillin susceptible Staphylococcus aureus infection, unspecified site
• A49.02 Methicillin resistant Staphylococcus aureus 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 (this code)
• A49.9 Bacterial infection, unspecified