A40.3 – Sepsis due to Streptococcus pneumoniae
ICD-10-CM 2027 diagnosis code · Other bacterial diseases
ICD-10-CM code
A40.3
- Code
A40.3(claims format:A403)- Description
- Sepsis due to Streptococcus pneumoniae
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A30-A49 Other bacterial diseases
- Parent codes
- A40
Notes for A40.3
Applicable to:
- Pneumococcal sepsis
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
A40 – Streptococcal sepsis
Excludes1 (not coded here):
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-)
Index terms for A40.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in A40
Frequently asked questions
What is ICD-10 code A40.3?
A40.3 is the ICD-10-CM code for sepsis due to Streptococcus pneumoniae, in the block A30-A49 (Other bacterial diseases).
Is A40.3 a billable code?
Yes. A40.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A40.3 belong to?
It belongs to category A40 – Streptococcal sepsis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.