ICD10BillableValid for clinical use
ICD-10 Code L97.403: Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of muscle
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).
When is it used?
- May be used when a clinician documents non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of muscle in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
12Diseases of the skin and subcutaneous tissue (L00-L99)
block
L80-L99Other disorders of the skin and subcutaneous tissue
category
L97Non-pressure chronic ulcer of lower limb, not elsewhere classified
category
L97.4Non-pressure chronic ulcer of heel and midfoot
category
L97.40Non-pressure chronic ulcer of unspecified heel and midfoot
currentL97.40
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Dermatologist
Related codes
L97.401Non-pressure chronic ulcer of unspecified heel and midfoot limited to breakdown of skincodeL97.402Non-pressure chronic ulcer of unspecified heel and midfoot with fat layer exposedcodeL97.404Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of bonecodeL97.405Non-pressure chronic ulcer of unspecified heel and midfoot with muscle involvement without evidence of necrosiscodeL97.406Non-pressure chronic ulcer of unspecified heel and midfoot with bone involvement without evidence of necrosiscodeL97.408Non-pressure chronic ulcer of unspecified heel and midfoot with other specified severitycodeL97.409Non-pressure chronic ulcer of unspecified heel and midfoot with unspecified severitycode
Sibling codes
L97.401Non-pressure chronic ulcer of unspecified heel and midfoot limited to breakdown of skinbillableL97.402Non-pressure chronic ulcer of unspecified heel and midfoot with fat layer exposedbillableL97.404Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of bonebillableL97.405Non-pressure chronic ulcer of unspecified heel and midfoot with muscle involvement without evidence of necrosisbillableL97.406Non-pressure chronic ulcer of unspecified heel and midfoot with bone involvement without evidence of necrosisbillableL97.408Non-pressure chronic ulcer of unspecified heel and midfoot with other specified severitybillableL97.409Non-pressure chronic ulcer of unspecified heel and midfoot with unspecified severitybillable
Coverage-related procedures and services
CPT 97034high
APPLICATION OF A MODALITY TO 1 OR MORE AREAS; CONTRAST BATHS, EACH 15 MINUTES
Source: CMS coverage guidance
CPT 97032high
APPLICATION OF A MODALITY TO 1 OR MORE AREAS; ELECTRICAL STIMULATION (MANUAL), EACH 15 MINUTES
Source: CMS coverage guidance
CPT 97026high
APPLICATION OF A MODALITY TO 1 OR MORE AREAS; INFRARED
Source: CMS coverage guidance
CPT 97033high
APPLICATION OF A MODALITY TO 1 OR MORE AREAS; IONTOPHORESIS, EACH 15 MINUTES
Source: CMS coverage guidance
CPT 97018high
APPLICATION OF A MODALITY TO 1 OR MORE AREAS; PARAFFIN BATH
Source: CMS coverage guidance
CPT 97035high
APPLICATION OF A MODALITY TO 1 OR MORE AREAS; ULTRASOUND, EACH 15 MINUTES
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of muscleNon-pressure chronic ulcer of heel and midfoot with necrosis of muscle
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.