ICD-10-CM 2027
ICD-10 code for bacterium
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Bacterium, bacteria, bacterial”. Page updated September 29, 2026.
About coding bacterium
The official ICD-10-CM index doesn't give a single default code for bacterium; the code depends on the details below.
More specific bacterium codes (official index)
- agent NEC, as cause of disease classified elsewhere B96.89 — Other specified bacterial agents as the cause of diseases classified elsewhere
- in blood
- in urine