A40.3
Billable

Sepsis due to Streptococcus pneumoniae

Billable / Specific Code

What is Sepsis due to Streptococcus pneumoniae?

ICD-10-CM A40.3 is the diagnosis code for Sepsis due to Streptococcus pneumoniae. This code falls under the section "Other bacterial diseases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for A40.3

✅ This Code Includes

  • Pneumococcal sepsis

ICD-10-CM Code Hierarchy

Understanding where A40.3 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeA40.3 — Sepsis due to Streptococcus pneumoniae
Related Codes

Frequently Asked Questions

Is A40.3 a billable ICD-10-CM code?

Yes, A40.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does A40.3 mean?

A40.3 is the ICD-10-CM diagnosis code for "Sepsis due to Streptococcus pneumoniae". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A40.3?

The parent code of A40.3 is A40 ("Streptococcal sepsis"). A40.3 provides a more specific classification within this category.

What section is A40.3 in?

A40.3 is located in Section A30-A49 — "Other bacterial diseases" within Chapter 1 of the ICD-10-CM Tabular List.

When should I use A40.3?

Use A40.3 when the patients documented diagnosis matches "Sepsis due to Streptococcus pneumoniae" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Sepsis due to Streptococcus pneumoniae?

The ICD-10-CM code for Sepsis due to Streptococcus pneumoniae is A40.3.

Can A40.3 be used for primary diagnosis?

Yes, A40.3 can be used as a primary diagnosis code since it is billable and specific.

What chapter is A40.3 in?

A40.3 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A40.3 valid for 2026?

Yes, A40.3 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA40.1Sepsis due to streptococcus, group BNext →A40.8Other streptococcal sepsis
Code Details
A40.3
Sepsis due to Streptococcus pneumoniae
Billable / Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A30-A49 — Other bacterial diseases
2026 ICD-10-CM