Z45.32 vs Z46.1
Z45.32 (Encounter for adjustment and management of implanted hearing device) compared with Z46.1 (Encounter for fitting and adjustment of hearing aid), 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. Z45.32 carries an Excludes1 note covering Z46.1: “Encounter for fitting and adjustment of hearing aid (Z46.1)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Yes, when both are documented. Z45.32 carries an Excludes2 note covering Z46.1: “encounter for fitting and adjustment of non-implanted device (Z46.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
No — do not report together. Z46.1 carries an Excludes1 note covering Z45.32: “encounter for adjustment and management of implanted hearing device (Z45.32-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Yes, when both are documented. Z46.1 carries an Excludes2 note covering Z45.32: “encounter for fitting and management of implanted devices (Z45.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z45.32Encounter for adjustment and management of implanted hearing device | Z46.1Encounter for fitting and adjustment of hearing aid | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| 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 hearing device is a non-billable ICD-10-CM category code (Z45.32). | Encounter for fitting and adjustment of hearing aid is a billable ICD-10-CM diagnosis code (Z46.1). |
| 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