S84.801S (Injury of other nerves at lower leg level, right leg, sequela) compared with S84.809S (Injury of other nerves at lower leg level, unspecified leg, sequela), from the official CMS tabular data. S84.801S and S84.809S 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. S84.801S and S84.809S 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.
| S84.801SInjury of other nerves at lower leg level, right leg, sequela | S84.809SInjury of other nerves at lower leg level, unspecified 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 | Injury of other nerves at lower leg level, right leg, sequela is a billable ICD-10-CM diagnosis code (S84.801S). | Injury of other nerves at lower leg level, unspecified leg, sequela is a billable ICD-10-CM diagnosis code (S84.809S). |
| 7th character | The appropriate 7th character is to be added to each code from category S84 | The appropriate 7th character is to be added to each code from category S84 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources