A40 ICD-10-CM Code: Streptococcal sepsis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
A40Streptococcal sepsis
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where A40 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Other bacterial diseases (A30-A49)
- 3
Category A40
Streptococcal sepsis
- 4
Code A40
Streptococcal sepsis
More specific choices
Codes under A40
A40 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for A40.
Code first
- , if applicable, postprocedural sepsis (T81.44-)
- sepsis due to central venous catheter (T80.211-)
- streptococcal sepsis during labor (O75.3)
- streptococcal sepsis following abortion or ectopic or molar pregnancy (O03.37, O03.87, O04.87, O07.37, O08.82)
- streptococcal sepsis following immunization (T88.0-)
- streptococcal sepsis following infusion, transfusion or therapeutic injection (T80.22-, T80.29-)
Use additional code
No “use additional code” instruction is listed for A40.
Excludes1
Conditions that should not be reported together with this code.
- neonatal (P36.0-P36.1)
- puerperal sepsis (O85)
- sepsis due to Streptococcus, group D (A41.81)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A40.
Transparency
Source and release
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 sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code A40 mean?
A40 is the FY 2027 U.S. ICD-10-CM code for “Streptococcal sepsis.”
Is A40 a billable or specific ICD-10-CM code?
No. A40 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is A40 located in ICD-10-CM?
A40 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?
No inclusion terms are listed for A40 in this reference record. Code-first instructions: , if applicable, postprocedural sepsis (T81.44-); sepsis due to central venous catheter (T80.211-); streptococcal sepsis during labor (O75.3); streptococcal sepsis following abortion or ectopic or molar pregnancy (O03.37, O03.87, O04.87, O07.37, O08.82); streptococcal sepsis following immunization (T88.0-); streptococcal sepsis following infusion, transfusion or therapeutic injection (T80.22-, T80.29-). Excludes1 notes: neonatal (P36.0-P36.1); puerperal sepsis (O85); sepsis due to Streptococcus, group D (A41.81). No Excludes2 note is listed.
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