P96.81 vs Z77.4
P96.81 (Exposure to (parental) (environmental) tobacco smoke in the perinatal period) compared with Z77.4 (Contact with and (suspected) exposure to blast overpressure), 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. Z77.4 carries an Excludes2 note covering P96.81: “exposure to (parental) (environmental) tobacco smoke in the perinatal period (P96.81)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| P96.81Exposure to (parental) (environmental) tobacco smoke in the perinatal period | Z77.4Contact with and (suspected) exposure to blast overpressure | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | P00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Exposure to (parental) (environmental) tobacco smoke in the perinatal period is a billable ICD-10-CM diagnosis code (P96.81). | — |
| Includes | — | contact with and (suspected) exposures to potential hazards to health |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources