Is A41.51 a billable ICD-10 code?

Yes. A41.51 (Sepsis due to Escherichia coli [E. coli]) is billable and can be used for insurance claims. Always verify payer-specific requirements.

A41.51 ✓ Billable

Sepsis due to Escherichia coli [E. coli]

Q: What is ICD-10 code A41.51?

ICD-10-CM code A41.51 stands for "Sepsis due to Escherichia coli [E. coli]". It is a billable code in the Certain Infectious and Parasitic Diseases chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases

Code

A41.51

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Certain Infectious and Parasitic Diseases

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code A41.51?

ICD-10-CM code A41.51 represents Sepsis due to Escherichia coli [E. coli]. It is a billable diagnosis code in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.

Is A41.51 billable?

Yes. A41.51 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is A41.51 in?

A41.51 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.

Related codes in the A41 category

A41 Other sepsis Non-billable A41.0 Sepsis due to Staphylococcus aureus Non-billable A41.1 Sepsis due to other specified staphylococcus Billable A41.2 Sepsis due to unspecified staphylococcus Billable A41.3 Sepsis due to Hemophilus influenzae Billable A41.4 Sepsis due to anaerobes Billable A41.5 Sepsis due to other Gram-negative organisms Non-billable A41.8 Other specified sepsis Non-billable

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