Z45 vs Z46
Z45 (Encounter for adjustment and management of implanted device) compared with Z46 (Encounter for fitting and adjustment of other devices), 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. Z45 carries an Excludes2 note covering Z46: “encounter for fitting and adjustment of non-implanted device (Z46.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. Z46 carries an Excludes2 note covering Z45: “encounter for fitting and management of implanted devices (Z45.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z45Encounter for adjustment and management of implanted device | Z46Encounter for fitting and adjustment of other devices | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Encounter for adjustment and management of implanted device is a non-billable ICD-10-CM category code (Z45). | Encounter for fitting and adjustment of other devices is a non-billable ICD-10-CM category code (Z46). |
| Includes | removal or replacement of implanted device | removal or replacement of other device |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources