A41.51 — Sepsis due to Escherichia coli [E. coli]

A41.51

ICD-10 Chapter 1: Infectious & Parasitic Diseases — illustrative image — Chapter 1: Infectious and parasitic diseases (A00–B99) — illustrative image

What this code means

Sepsis caused by the common gut bacterium Escherichia coli (E. coli).

Also called: e coli sepsis, escherichia coli sepsis.

When this code is used

Used when sepsis is attributed to E. coli.

Where it sits in ICD-10-CM

Code A41.51 belongs to Chapter 1: Infectious and parasitic diseases, which covers codes A00–B99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Related symptoms

Fever

Frequently asked questions

What is ICD-10-CM code A41.51?

A41.51 is the ICD-10-CM diagnosis code for “Sepsis due to Escherichia coli [E. coli]”. Sepsis caused by the common gut bacterium Escherichia coli (E. coli).

When is code A41.51 used?

Used when sepsis is attributed to E. coli. It belongs to Chapter 1 of ICD-10-CM (Infectious and parasitic diseases).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.