E10.621 (Type 1 diabetes mellitus with foot ulcer) compared with L89.896 (Pressure-induced deep tissue damage of other site), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. L89.896 carries an Excludes2 note covering E10.621: “diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| E10.621Type 1 diabetes mellitus with foot ulcer | L89.896Pressure-induced deep tissue damage of other site | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) |
| Definition | Type 1 diabetes mellitus with foot ulcer is a billable ICD-10-CM diagnosis code (E10.621). | Pressure-induced deep tissue damage of other site is a billable ICD-10-CM diagnosis code (L89.896). |
| Includes | brittle diabetes (mellitus) diabetes (mellitus) due to autoimmune process diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction idiopathic diabetes (mellitus) | bed sore decubitus ulcer plaster ulcer pressure area |
| Use additional code | code to identify site of ulcer (L97.4-, L97.5-) | — |
| Code first | — | 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