A33 vs P35
A33 (Tetanus neonatorum) compared with P35 (Congenital viral diseases), 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. P35 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 | P35Congenital viral diseases | |
|---|---|---|
| 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). | Congenital viral diseases is a non-billable ICD-10-CM category code (P35). |
| Includes | — | infections acquired in utero or during birth |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources