F17 vs Z77.22
F17 (Nicotine dependence) compared with Z77.22 (Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic)), 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. Z77.22 carries an Excludes1 note covering F17: “nicotine dependence (F17.-)”
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
| F17Nicotine dependence | Z77.22Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic) | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Nicotine dependence is a non-billable ICD-10-CM category code (F17). | Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic) is a billable ICD-10-CM diagnosis code (Z77.22). |
| Includes | — | contact with and (suspected) exposures to potential hazards to health Exposure to second hand tobacco smoke (acute) (chronic) Passive smoking (acute) (chronic) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources