L89.503 (Pressure ulcer of unspecified ankle, stage 3) compared with L89.523 (Pressure ulcer of left ankle, stage 3), from the official CMS tabular data. L89.503 and L89.523 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. L89.503 and L89.523 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.
| L89.503Pressure ulcer of unspecified ankle, stage 3 | L89.523Pressure ulcer of left ankle, stage 3 | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) |
| Definition | Pressure ulcer of unspecified ankle, stage 3 is a billable ICD-10-CM diagnosis code (L89.503). | Pressure ulcer of left ankle, stage 3 is a billable ICD-10-CM diagnosis code (L89.523). |
| Includes | bed sore decubitus ulcer plaster ulcer pressure area | bed sore decubitus ulcer plaster ulcer pressure area |
| Code first | any associated gangrene (I96) | any associated gangrene (I96) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources