U.S. ICD-10-CM · FY 2027

A40.1 ICD-10-CM Code: Sepsis due to streptococcus, group B

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

A40.1

Sepsis due to streptococcus, group B

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where A40.1 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Other bacterial diseases (A30-A49)

  3. 3

    Category A40

    Streptococcal sepsis

  4. 4

    Code A40.1

    Sepsis due to streptococcus, group B

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for A40.1.

Code first

No “code first” instruction is listed for A40.1.

Use additional code

No “use additional code” instruction is listed for A40.1.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for A40.1.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for A40.1.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code A40.1 mean?

A40.1 is the FY 2027 U.S. ICD-10-CM code for “Sepsis due to streptococcus, group B.”

Is A40.1 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, A40.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is A40.1 located in ICD-10-CM?

A40.1 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Other bacterial diseases (A30-A49) (A30–A49), under category A40, Streptococcal sepsis.

What coding notes are listed for A40.1?

No inclusion terms are listed for A40.1 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

Keep exploring

Related A40 codes

A40.0

Sepsis due to streptococcus, group A

A40.3

Sepsis due to Streptococcus pneumoniae

A40.8

Other streptococcal sepsis

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