S81.041D (Puncture wound with foreign body, right knee, subsequent encounter) compared with S81.042D (Puncture wound with foreign body, left knee, subsequent encounter), from the official CMS tabular data. S81.041D and S81.042D 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. S81.041D and S81.042D 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.
| S81.041DPuncture wound with foreign body, right knee, subsequent encounter | S81.042DPuncture wound with foreign body, left knee, 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 | Puncture wound with foreign body, right knee, subsequent encounter is a billable ICD-10-CM diagnosis code (S81.041D). | Puncture wound with foreign body, left knee, subsequent encounter is a billable ICD-10-CM diagnosis code (S81.042D). |
| 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