Z44.121 vs Z44.122
Z44.121 (Encounter for fitting and adjustment of partial artificial right leg) compared with Z44.122 (Encounter for fitting and adjustment of partial artificial left leg), from the official CMS tabular data. Z44.121 and Z44.122 code the same condition on opposite sides.
Can these codes be reported together?
Same condition, opposite side. Z44.121 and Z44.122 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.
Side by side
| Z44.121Encounter for fitting and adjustment of partial artificial right leg | Z44.122Encounter for fitting and adjustment of partial artificial left leg | |
|---|---|---|
| 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 | Encounter for fitting and adjustment of partial artificial right leg is a billable ICD-10-CM diagnosis code (Z44.121). | Encounter for fitting and adjustment of partial artificial left leg is a billable ICD-10-CM diagnosis code (Z44.122). |
| Includes | removal or replacement of external prosthetic device | removal or replacement of external prosthetic device |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources