A40 vs A41.81
A40 (Streptococcal sepsis) compared with A41.81 (Sepsis due to Enterococcus), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. A40 carries an Excludes1 note covering A41.81: “sepsis due to Streptococcus, group D (A41.81)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. A41.81 carries an Excludes1 note covering A40: “streptococcal sepsis (A40.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| A40Streptococcal sepsis | A41.81Sepsis due to Enterococcus | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) |
| Definition | Streptococcal sepsis is a non-billable ICD-10-CM category code (A40). | Sepsis due to Enterococcus is a billable ICD-10-CM diagnosis code (A41.81). |
| Code first | , if applicable, postprocedural sepsis (T81.44-) sepsis due to central venous catheter (T80.211-) | , if applicable, postprocedural sepsis (T81.44-) sepsis due to central venous catheter (T80.211-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources