A05.1 vs A48.51
A05.1 (Botulism food poisoning) compared with A48.51 (Infant botulism), 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. A05.1 carries an Excludes1 note covering A48.51: “infant botulism (A48.51)”
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. A48.51 carries an Excludes1 note covering A05.1: “food poisoning due to toxins of Clostridium botulinum (A05.1)”
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
| A05.1Botulism food poisoning | A48.51Infant botulism | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) |
| Definition | Botulism food poisoning is a billable ICD-10-CM diagnosis code (A05.1). | Infant botulism is a billable ICD-10-CM diagnosis code (A48.51). |
| Includes | Botulism NOS Classical foodborne intoxication due to Clostridium botulinum | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources