S09.302 (Unspecified injury of left middle and inner ear) compared with S09.309 (Unspecified injury of unspecified middle and inner ear), from the official CMS tabular data. S09.302 and S09.309 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. S09.302 and S09.309 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.
| S09.302Unspecified injury of left middle and inner ear | S09.309Unspecified injury of unspecified middle and inner ear | |
|---|---|---|
| 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 left middle and inner ear is a non-billable ICD-10-CM category code (S09.302). | Unspecified injury of unspecified middle and inner ear is a non-billable ICD-10-CM category code (S09.309). |
| 7th character | The appropriate 7th character is to be added to each code from category S09 | The appropriate 7th character is to be added to each code from category S09 |
| Includes | injuries of ear injuries of eye injuries of face [any part] injuries of gum | injuries of ear injuries of eye injuries of face [any part] injuries of gum |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources