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v1.0.0
ICD-10 Guide
ICD-10 CodesM21.532

M21.532

Billable

Acquired clawfoot, left foot

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/17/2025

Code Description

ICD-10 M21.532 is a billable code used to indicate a diagnosis of acquired clawfoot, left foot.

Key Diagnostic Point:

Acquired clawfoot, also known as claw toes, is a deformity characterized by hyperextension of the metatarsophalangeal joints and flexion of the proximal and distal interphalangeal joints of the toes. This condition can arise from various underlying causes, including neurological disorders, muscle imbalances, or trauma. In the case of acquired clawfoot of the left foot, the toes may appear curled or claw-like, leading to discomfort, difficulty in walking, and potential skin issues due to pressure points. The condition can be associated with other foot deformities such as hallux valgus, where the big toe deviates laterally. Treatment options may include orthotic devices, physical therapy, and in some cases, surgical intervention to correct the deformity and alleviate symptoms. Accurate diagnosis and documentation are crucial for effective management and coding of this condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between acquired and congenital clawfoot
  • Identifying associated conditions like hallux valgus
  • Understanding the underlying causes of the deformity
  • Documenting the specific foot affected (left foot)

Audit Risk Factors

  • Inadequate documentation of the underlying cause of the deformity
  • Failure to specify the affected foot
  • Incorrect coding of associated conditions
  • Lack of documentation for surgical procedures if performed

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes on the patient's history, physical examination findings, and any imaging studies.

Common Clinical Scenarios

Patients presenting with foot pain, difficulty walking, or visible deformities.

Billing Considerations

Ensure to document any previous treatments or interventions related to the clawfoot.

Podiatry

Documentation Requirements

Comprehensive foot assessments, including gait analysis and pressure mapping.

Common Clinical Scenarios

Patients with diabetic foot complications or those requiring custom orthotics.

Billing Considerations

Document any co-existing conditions that may affect foot health.

Coding Guidelines

Inclusion Criteria

Use M21.532 When
  • Follow the official ICD
  • CM coding guidelines, ensuring to document the specific foot affected and any associated conditions
  • Include details on the nature of the acquired deformity and any treatments provided

Exclusion Criteria

Do NOT use M21.532 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

28285CPT Code

Correction of claw toe deformity

Clinical Scenario

Used when surgical intervention is performed to correct the clawfoot.

Documentation Requirements

Document the surgical procedure, indications, and any pre-operative assessments.

Specialty Considerations

Orthopedic surgeons should ensure comprehensive documentation of the surgical approach and post-operative care.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of acquired conditions like clawfoot, improving the accuracy of patient records and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of acquired conditions like clawfoot, improving the accuracy of patient records and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between acquired and congenital clawfoot?

Acquired clawfoot develops due to external factors such as injury or disease, while congenital clawfoot is present at birth and results from genetic factors.