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v1.0.0
ICD-10 Guide
ICD-10 CodesM21.072

M21.072

Billable

Valgus deformity, not elsewhere classified, left ankle

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

Code Description

ICD-10 M21.072 is a billable code used to indicate a diagnosis of valgus deformity, not elsewhere classified, left ankle.

Key Diagnostic Point:

Valgus deformity of the left ankle is characterized by an abnormal angulation of the ankle joint, where the foot deviates laterally away from the midline of the body. This condition can be acquired due to various factors such as trauma, arthritis, or repetitive stress injuries. It may lead to pain, instability, and difficulty in ambulation. The deformity can also affect the alignment of the toes, potentially leading to secondary conditions such as hallux valgus, where the big toe deviates towards the second toe. Treatment options may include conservative measures such as orthotics and physical therapy, or surgical interventions to correct the alignment and restore function. Accurate coding is essential for proper management and reimbursement, as well as for tracking the prevalence and outcomes of this condition in clinical settings.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between acquired and congenital deformities
  • Identifying associated conditions like hallux valgus
  • Understanding the specific anatomical location (left ankle)
  • Documenting the severity and impact on function

Audit Risk Factors

  • Inadequate documentation of the deformity's impact on function
  • Failure to specify laterality
  • Misclassification of the deformity type (acquired vs. congenital)
  • Lack of supporting clinical evidence for the diagnosis

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes on the deformity, treatment plans, and outcomes.

Common Clinical Scenarios

Patients presenting with ankle pain, instability, or difficulty walking due to valgus deformity.

Billing Considerations

Ensure that all relevant imaging studies and assessments are documented to support the diagnosis.

Podiatry

Documentation Requirements

Foot examination findings, patient history, and treatment responses.

Common Clinical Scenarios

Patients with foot deformities, including hallux valgus, requiring conservative or surgical management.

Billing Considerations

Document any orthotic interventions or referrals to other specialists.

Coding Guidelines

Inclusion Criteria

Use M21.072 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Include details about the nature of the deformity, any associated conditions, and the impact on the patient's daily activities

Exclusion Criteria

Do NOT use M21.072 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

28300CPT Code

Osteotomy, first metatarsal, for hallux valgus

Clinical Scenario

Used when surgical correction of hallux valgus is performed due to associated valgus deformity.

Documentation Requirements

Document the surgical indication, procedure details, and postoperative care.

Specialty Considerations

Orthopedic surgeons should ensure that all preoperative assessments are included.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like M21.072, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation to support the diagnosis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M21.072, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation to support the diagnosis.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the need for detailed documentation to support the diagnosis.

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 significance of specifying laterality in M21.072?

Specifying laterality is crucial for accurate coding and treatment planning, as it directly impacts the management of the condition and ensures appropriate reimbursement.