S81.821S (Laceration with foreign body, right lower leg, sequela) compared with S81.822S (Laceration with foreign body, left lower leg, sequela), from the official CMS tabular data. S81.821S and S81.822S 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. S81.821S and S81.822S 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.
| S81.821SLaceration with foreign body, right lower leg, sequela | S81.822SLaceration with foreign body, left lower leg, sequela | |
|---|---|---|
| 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 | Laceration with foreign body, right lower leg, sequela is a billable ICD-10-CM diagnosis code (S81.821S). | Laceration with foreign body, left lower leg, sequela is a billable ICD-10-CM diagnosis code (S81.822S). |
| 7th character | The appropriate 7th character is to be added to each code from category S81 | The appropriate 7th character is to be added to each code from category S81 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources