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ICD-10 Coding for Left Foot Ulcer(L97.523, E11.621)

Complete ICD-10-CM coding and documentation guide for Left Foot Ulcer. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Left Foot UlcerationNon-pressure Ulcer of Left Foot

Related ICD-10 Code Ranges

Complete code families applicable to Left Foot Ulcer

L97.5-Primary Range

Non-pressure chronic ulcer of other part of foot

This range covers non-pressure ulcers specifically located on the foot, including the left foot.

Type 2 diabetes mellitus with complications

Used when the ulcer is associated with diabetes, requiring diabetes to be coded first.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
L97.523Non-pressure chronic ulcer of left foot with necrosis of muscleUse when the ulcer involves necrosis of muscle tissue on the left foot.
  • MRI or CT showing muscle involvement
  • Clinical documentation of ulcer depth
E11.621Type 2 diabetes mellitus with foot ulcerUse when the ulcer is a complication of diabetes.
  • HbA1c >6.5%
  • Clinical documentation linking ulcer to diabetes

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for left foot ulcer

Essential facts and insights about Left Foot Ulcer

The ICD-10 code for a non-pressure chronic ulcer of the left foot with muscle necrosis is L97.523. For diabetic ulcers, use E11.621 first.

Primary ICD-10-CM Codes for left foot ulcer

Non-pressure chronic ulcer of left foot with necrosis of muscle
Billable Code

Decision Criteria

clinical Criteria

  • Presence of muscle necrosis confirmed by imaging

Applicable To

  • Ulcer with muscle necrosis

Excludes

  • Pressure ulcers (L89.-)

Clinical Validation Requirements

  • MRI or CT showing muscle involvement
  • Clinical documentation of ulcer depth

Code-Specific Risks

  • Incorrectly coding as unspecified severity

Coding Notes

  • Ensure laterality and depth of necrosis are documented.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Long term (current) use of insulin

Z79.4
Use when the patient is on insulin therapy.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Non-pressure chronic ulcer of left foot with necrosis of bone

L97.524
Use when bone necrosis is present, confirmed by imaging.

Type 2 diabetes mellitus with other skin ulcer

E11.622
Use for ulcers not on the foot.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Left Foot Ulcer to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code L97.523.

Impact

Clinical: Impacts treatment planning., Regulatory: Non-compliance with ICD-10 guidelines., Financial: Potential claim denials.

Mitigation Strategy

Always specify left or right in documentation., Use templates that prompt for laterality.

Impact

Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with coding guidelines., Data Quality: Reduces accuracy of clinical data.

Mitigation Strategy

Document and code the specific depth of necrosis.

Impact

Failure to document the link between diabetes and the ulcer.

Mitigation Strategy

Ensure all ulcers are documented with their etiology.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Left Foot Ulcer, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Left Foot Ulcer

Use these documentation templates to ensure complete and accurate documentation for Left Foot Ulcer. These templates include all required elements for proper coding and billing.

Diabetic left foot ulcer with muscle necrosis

Specialty: Podiatry

Required Elements

  • Location and size of ulcer
  • Depth and tissue involvement
  • Diabetes status and control
  • Offloading methods

Example Documentation

Patient presents with a 4x2 cm ulcer on the left midfoot with muscle necrosis. HbA1c is 9.2%. Offloading with custom orthotics.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Left foot ulcer present.
Good Documentation Example
Non-pressure ulcer on left midfoot, 4x2 cm, with muscle necrosis.
Explanation
The good example provides specific location, size, and depth, which are necessary for accurate coding.

Need help with ICD-10 coding for Left Foot Ulcer? Ask your questions below.

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