Z96.661 (Presence of right artificial ankle joint) compared with Z96.669 (Presence of unspecified artificial ankle joint), from the official CMS tabular data. Z96.661 and Z96.669 code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. Z96.661 and Z96.669 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| Z96.661Presence of right artificial ankle joint | Z96.669Presence of unspecified artificial ankle joint | |
|---|---|---|
| Billing status | Billable | 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 | Presence of right artificial ankle joint is a billable ICD-10-CM diagnosis code (Z96.661). | Presence of unspecified artificial ankle joint is a billable ICD-10-CM diagnosis code (Z96.669). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources