L97.809
BillableNon-pressure chronic ulcer of other part of unspecified lower leg with unspecified severity
HCC Category Mapping
What This Code Means
A long-lasting open sore on the lower leg (not caused by pressure) where the depth or severity of the wound is not documented or specified.
Coding Tips
- •This is the least specific code in this series; query the provider if severity can be determined from clinical documentation
- •Use only when severity cannot be determined or is not documented in the medical record
Clinical Significance
This non-pressure chronic ulcer on the other part of unspecified lower leg with unspecified severity indicates incomplete wound assessment documentation, which limits care coordination and accurate risk stratification. Chronic non-pressure ulcers are significant for risk adjustment because they indicate ongoing complex wound management needs, increased healthcare utilization, and often reflect underlying systemic conditions such as peripheral vascular disease, diabetes mellitus, or venous insufficiency. Accurate severity coding directly impacts care planning, specialist referral decisions, and appropriate resource allocation for wound care services.
Documentation Requirements
- ✓Confirmation that the ulcer is chronic (present for extended duration, not acute)
- ✓Documentation that the ulcer is NOT caused by pressure (non-pressure etiology)
- ✓Specific anatomical site of the ulcer on the other part of unspecified lower leg
- ✓Query provider for laterality if not documented (left vs. right)
- ✓Note: This is an unspecified code — query provider for severity details when possible
- ✓If severity truly cannot be determined, document the reason
- ✓Underlying etiology or contributing conditions (e.g., venous insufficiency, arterial disease, diabetes mellitus, neuropathy)
- ✓Current wound measurements (length, width, depth) and wound bed description
- ✓Current treatment plan and wound care management