S51.801D (Unspecified open wound of right forearm, subsequent encounter) compared with S51.809D (Unspecified open wound of unspecified forearm, subsequent encounter), from the official CMS tabular data. S51.801D and S51.809D 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. S51.801D and S51.809D 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.
| S51.801DUnspecified open wound of right forearm, subsequent encounter | S51.809DUnspecified open wound of unspecified forearm, subsequent 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 | Unspecified open wound of right forearm, subsequent encounter is a billable ICD-10-CM diagnosis code (S51.801D). | Unspecified open wound of unspecified forearm, subsequent encounter is a billable ICD-10-CM diagnosis code (S51.809D). |
| 7th character | The appropriate 7th character is to be added to each code from category S51 | The appropriate 7th character is to be added to each code from category S51 |
| Includes | — | Open wound of forearm NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources