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L97.509
ICD-10-CM
Ulcer Foot

Find comprehensive information on ulcer foot diagnosis, including clinical documentation, ICD-10 codes (diabetic foot ulcer, arterial ulcer, venous ulcer), treatment options, and healthcare guidelines. Learn about proper wound care, assessment, and medical coding for ulcer foot conditions. Explore resources for healthcare professionals, clinicians, and coders seeking accurate and up-to-date information on ulcer foot management and documentation.

Also known as

Diabetic Foot Ulcer
Chronic Foot Ulcer

Diagnosis Snapshot

Key Facts
  • Definition : Open sore on the foot caused by poor circulation, nerve damage, or pressure.
  • Clinical Signs : Redness, swelling, pain, drainage, numbness, tingling, slow-healing wounds.
  • Common Settings : Diabetes, peripheral artery disease, neuropathy, immobility, poorly fitting shoes.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC L97.509 Coding
L97

Non-pressure chronic ulcer of lower leg

Includes ulcers of the foot, ankle, and other parts of the lower leg, excluding pressure ulcers.

E10-E14

Diabetes mellitus

Diabetic foot ulcers are a common complication and require specific coding alongside L97 codes.

I70-I79

Diseases of arteries, arterioles and capillaries

Peripheral arterial disease can contribute to foot ulcers and may be coded as a related condition.

Z13

Encounter for screening for other diseases and conditions

May be used for encounters specifically for foot ulcer risk assessment in patients with diabetes or PAD.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the ulcer diabetic?

  • Yes

    Site of ulcer?

  • No

    Is the ulcer due to arterial disease?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Ulcer, foot
Diabetic foot ulcer
Peripheral vascular disease ulcer

Documentation Best Practices

Documentation Checklist
  • Ulcer foot diagnosis: Document ulcer location.
  • Specify ulcer size (length x width x depth) in cm.
  • Document ulcer characteristics: exudate, color, odor.
  • Note presence/absence of infection signs (e.g., erythema).
  • ICD-10 code for ulcer foot: Include laterality.

Coding and Audit Risks

Common Risks
  • Unspecified Laterality

    Coding ulcer foot without specifying right, left, or bilateral can lead to claim denials and inaccurate reporting. Impacts quality metrics and reimbursement.

  • Missing Etiology Code

    Failing to code the underlying cause of the ulcer, such as diabetes or peripheral artery disease, hinders accurate severity reflection and care planning.

  • Stage of Ulcer Miscoded

    Incorrectly documenting the ulcer stage (e.g., stage 1, 2, 3, 4, or unstageable) affects appropriate treatment and payment. CDI crucial for accurate staging.

Mitigation Tips

Best Practices
  • Offload ulcer: total contact cast or custom footwear. ICD-10: L97.4
  • Debride necrotic tissue, control infection: proper wound care. CDI query for specificity.
  • Optimize blood glucose, HbA1c monitoring for diabetics. ICD-10: E11.65
  • Vascular assessment: ABI for PAD, revascularization if needed. HCC compliance.
  • Inspect, palpate regularly: document wound size, depth, appearance for accurate coding.

Clinical Decision Support

Checklist
  • Confirm ulcer location on foot: ICD-10 L97
  • Assess ulcer depth/tissue involvement: Stage I-V
  • Evaluate for infection signs (swelling, erythema, pus)
  • Document peripheral pulses, sensation, ABI if available
  • Review patient history: diabetes, PAD, neuropathy

Reimbursement and Quality Metrics

Impact Summary
  • Ulcer Foot Reimbursement: Coding accuracy impacts payment for debridement, offloading, and infection management. Proper ICD-10 and CPT coding maximizes revenue.
  • Quality Metrics Impact: Healing rates, amputation rates, and infection control are key metrics. Accurate documentation supports quality reporting and value-based care.
  • Hospital Reporting: Ulcer foot data affects hospital-acquired condition reporting and readmission rates. Precise coding and documentation minimize penalties.
  • Coding Accuracy: Diabetic foot ulcer, pressure ulcer, arterial ulcer specificity is crucial. Correct coding ensures appropriate reimbursement and quality data.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Quick Tips

Practical Coding Tips
  • Specify ulcer location
  • Document ulcer stage
  • Code underlying cause
  • Include debridement codes
  • Note infection status

Documentation Templates

Patient presents with ulcer foot, consistent with diabetic foot ulcer or venous stasis ulcer.  Location of ulcer is documented as (insert location, e.g., plantar surface of right foot, medial malleolus of left leg).  Ulcer size is measured as (length) x (width) x (depth) cm.  Wound bed appearance is described as (e.g., granulating, sloughy, necrotic) with (amount) of exudate characterized as (e.g., serous, serosanguineous, purulent).  Surrounding skin is noted as (e.g., erythematous, edematous, indurated, macerated) with signs of infection (present or absent), including warmth, tenderness, or purulent drainage.  Peripheral pulses (e.g., dorsalis pedis, posterior tibial) are palpable (or non-palpable).  Neuropathy assessment reveals (e.g., diminished sensation to monofilament testing, absent ankle reflexes) indicating peripheral neuropathy.  Patient's current medications include (list medications).  Assessment suggests (e.g., diabetic foot ulcer, venous stasis ulcer, arterial ulcer).  Plan includes wound care with (e.g., debridement, dressings, offloading), vascular assessment if indicated, and optimization of glycemic control if diabetic.  Patient education provided on wound care, foot hygiene, and the importance of regular follow-up.  Differential diagnosis includes pressure ulcer, arterial insufficiency ulcer, and infectious ulcer.  ICD-10 code (e.g., L97.419 Ulcer of lower limb, unspecified, other) and CPT codes (e.g., 97597 for debridement) are documented for medical billing and coding purposes. Follow-up appointment scheduled in (duration) for ongoing wound management and assessment.