Z08 vs Z46
Z08 (Encounter for follow-up examination after completed treatment for malignant neoplasm) 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. Z46 carries an Excludes2 note covering Z08: “follow-up examination for medical surveillance after treatment (Z08-Z09)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z08Encounter for follow-up examination after completed treatment for malignant neoplasm | Z46Encounter for fitting and adjustment of other devices | |
|---|---|---|
| Billing status | Billable | 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 follow-up examination after completed treatment for malignant neoplasm is a billable ICD-10-CM diagnosis code (Z08). | Encounter for fitting and adjustment of other devices is a non-billable ICD-10-CM category code (Z46). |
| Includes | Medical surveillance following completed treatment | removal or replacement of other device |
| Use additional code | code to identify any acquired absence of organs (Z90.-) code to identify the personal history of malignant neoplasm (Z85.-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources