ICD-10-CM > A00-B99 > A30-A49 > A41 > A41.5 A41.5 Sepsis due to other Gram-negative organisms Non-Billable/Non-Specific Codes A41.50Gram-negative sepsis, unspecifiedA41.51Sepsis due to Escherichia coli [E. coli]A41.52Sepsis due to PseudomonasA41.53Sepsis due to SerratiaA41.54Sepsis due to Acinetobacter baumanniiA41.59Other Gram-negative sepsis