A33 vs P36
A33 (Tetanus neonatorum) compared with P36 (Bacterial sepsis of newborn), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. P36 carries an Excludes2 note covering A33: “tetanus neonatorum (A33)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| A33Tetanus neonatorum | P36Bacterial sepsis of newborn | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | P00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96) |
| Definition | Tetanus neonatorum is a billable ICD-10-CM diagnosis code (A33). | Bacterial sepsis of newborn is a non-billable ICD-10-CM category code (P36). |
| Includes | — | congenital sepsis |
| Use additional code | — | code(s), if applicable, to identify severe sepsis (R65.2-) and associated acute organ dysfunction(s) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources