ICDwise
L97 ⚠ Non-billable

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

ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue

Code
L97
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Skin and Subcutaneous Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Official coding notes

From CMS's ICD-10-CM Tabular List.

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
Excludes2 — not included here, but may code together
  • pressure ulcer (pressure area) (L89.-)
  • skin infections (L00-L08)
  • specific infections classified to A00-B99
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-)

Frequently asked questions

What is ICD-10 code L97?
ICD-10-CM code L97 represents Non-pressure chronic ulcer of lower limb, not elsewhere classified. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is L97 billable?
No. L97 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is L97 in?
L97 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.

Related codes in the L97 category

L97.1 Non-pressure chronic ulcer of thigh Non-billable L97.2 Non-pressure chronic ulcer of calf Non-billable L97.10 Non-pressure chronic ulcer of unspecified thigh Non-billable L97.11 Non-pressure chronic ulcer of right thigh Non-billable L97.12 Non-pressure chronic ulcer of left thigh Non-billable L97.20 Non-pressure chronic ulcer of unspecified calf Non-billable L97.21 Non-pressure chronic ulcer of right calf Non-billable L97.22 Non-pressure chronic ulcer of left calf Non-billable

Search all 98,186 ICD-10-CM codes instantly

Search ICDwise →