2025
ICD-10-CM
Diagnosis
Code

L97 Non-pressure chronic ulcer of lower limb, not elsewhere classified

Non-billable
2016–2025

L97 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Non-pressure chronic ulcer of lower limb, not elsewhere classified.

Includes

Chronic ulcer of skin of lower limb NOS
Non-healing ulcer of skin
Non-infected sinus of skin
Trophic ulcer NOS
Tropical ulcer NOS
Ulcer of skin of lower limb NOS

Code first

Any associated underlying condition, such as:

Any associated gangrene (I96)
Atherosclerosis of the lower extremities (I70.23-, I70.24-, I70.33-, I70.34-, I70.43-, I70.44-, I70.53-, I70.54-, I70.63-, I70.64-, I70.73-, I70.74-)
Chronic venous hypertension (I87.31-, I87.33-)
Diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)
Postphlebitic syndrome (I87.01-, I87.03-)
Postthrombotic syndrome (I87.01-, I87.03-)
Varicose ulcer (I83.0-, I83.2-)

Type 2 excludes

Pressure ulcer (pressure area) (L89.-)
Skin infections (L00-L08)
Specific infections classified to A00-B99

Codes

Versions

2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code