S88.921A (Partial traumatic amputation of right lower leg, level unspecified, initial encounter) compared with S88.922A (Partial traumatic amputation of left lower leg, level unspecified, initial encounter), from the official CMS tabular data. S88.921A and S88.922A 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. S88.921A and S88.922A 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.
| S88.921APartial traumatic amputation of right lower leg, level unspecified, initial encounter | S88.922APartial traumatic amputation of left lower leg, level unspecified, initial encounter | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Partial traumatic amputation of right lower leg, level unspecified, initial encounter is a billable ICD-10-CM diagnosis code (S88.921A). | Partial traumatic amputation of left lower leg, level unspecified, initial encounter is a billable ICD-10-CM diagnosis code (S88.922A). |
| 7th character | The appropriate 7th character is to be added to each code from category S88 | The appropriate 7th character is to be added to each code from category S88 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources