S82.55 (Nondisplaced fracture of medial malleolus of left tibia) compared with S82.56 (Nondisplaced fracture of medial malleolus of unspecified tibia), from the official CMS tabular data. S82.55 and S82.56 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. S82.55 and S82.56 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.
| S82.55Nondisplaced fracture of medial malleolus of left tibia | S82.56Nondisplaced fracture of medial malleolus of unspecified tibia | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| 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 | Nondisplaced fracture of medial malleolus of left tibia is a non-billable ICD-10-CM category code (S82.55). | Nondisplaced fracture of medial malleolus of unspecified tibia is a non-billable ICD-10-CM category code (S82.56). |
| 7th character | The appropriate 7th character is to be added to all codes from category S82 | The appropriate 7th character is to be added to all codes from category S82 |
| Includes | fracture of malleolus | fracture of malleolus |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources