S25.301 (Unspecified injury of right innominate or subclavian vein) compared with S25.309 (Unspecified injury of unspecified innominate or subclavian vein), from the official CMS tabular data. S25.301 and S25.309 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. S25.301 and S25.309 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.
| S25.301Unspecified injury of right innominate or subclavian vein | S25.309Unspecified injury of unspecified innominate or subclavian vein | |
|---|---|---|
| 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 | Unspecified injury of right innominate or subclavian vein is a non-billable ICD-10-CM category code (S25.301). | Unspecified injury of unspecified innominate or subclavian vein is a non-billable ICD-10-CM category code (S25.309). |
| 7th character | The appropriate 7th character is to be added to each code from category S25 | The appropriate 7th character is to be added to each code from category S25 |
| Includes | injuries of breast injuries of chest (wall) injuries of interscapular area | injuries of breast injuries of chest (wall) injuries of interscapular area |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources