H61.301 (Acquired stenosis of right external ear canal, unspecified) compared with H61.302 (Acquired stenosis of left external ear canal, unspecified), from the official CMS tabular data. H61.301 and H61.302 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. H61.301 and H61.302 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.
| H61.301Acquired stenosis of right external ear canal, unspecified | H61.302Acquired stenosis of left external ear canal, unspecified | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | H60-H95 — Diseases of the Ear and Mastoid Process (H60-H95) | H60-H95 — Diseases of the Ear and Mastoid Process (H60-H95) |
| Definition | Acquired stenosis of right external ear canal, unspecified is a billable ICD-10-CM diagnosis code (H61.301). | Acquired stenosis of left external ear canal, unspecified is a billable ICD-10-CM diagnosis code (H61.302). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources