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ICD-10 Guide
ICD-10 CodesM21.021

M21.021

Billable

Valgus deformity, not elsewhere classified, right elbow

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

Code Description

ICD-10 M21.021 is a billable code used to indicate a diagnosis of valgus deformity, not elsewhere classified, right elbow.

Key Diagnostic Point:

Valgus deformity of the elbow is characterized by an abnormal angulation of the forearm in relation to the upper arm, resulting in an outward deviation of the forearm. This condition can be acquired due to various factors, including trauma, repetitive stress, or underlying conditions such as arthritis. The right elbow specifically refers to the involvement of the right arm, which may affect functionality and range of motion. Patients may present with pain, swelling, and decreased mobility, impacting daily activities. Treatment options often include physical therapy, bracing, or surgical intervention to correct the alignment and restore normal function. Corrective procedures may involve osteotomy or arthroplasty, depending on the severity of the deformity and the underlying cause. Accurate coding is essential for proper reimbursement and to reflect the complexity of the condition and its management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of the deformity
  • Need for detailed documentation of the underlying cause
  • Potential for co-existing conditions affecting treatment
  • Variations in treatment approaches and outcomes

Audit Risk Factors

  • Inadequate documentation of the deformity's severity
  • Failure to document the underlying cause of the valgus deformity
  • Lack of clarity on treatment plans and outcomes
  • Misclassification of the deformity type

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes including physical examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with elbow pain and deformity following trauma or chronic overuse.

Billing Considerations

Ensure to document any surgical interventions or referrals to physical therapy.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive assessment of functional limitations and rehabilitation goals.

Common Clinical Scenarios

Patients requiring rehabilitation post-surgery or those with chronic pain due to valgus deformity.

Billing Considerations

Document progress notes and response to therapy to support ongoing treatment.

Coding Guidelines

Inclusion Criteria

Use M21.021 When
  • Follow official ICD
  • CM coding guidelines, ensuring accurate documentation of the condition's specifics
  • Include details about the onset, duration, and any associated symptoms

Exclusion Criteria

Do NOT use M21.021 When
  • Exclude conditions that are specifically classified under other codes

Related ICD-10 Codes

Related CPT Codes

24357CPT Code

Osteotomy, elbow

Clinical Scenario

Used for surgical correction of severe valgus deformity.

Documentation Requirements

Pre-operative assessment, surgical notes, and post-operative follow-up.

Specialty Considerations

Orthopedic surgeons should document the rationale for surgical intervention.

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 valgus deformity, 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 conditions like valgus deformity, 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 significance of specifying laterality in valgus deformity coding?

Specifying laterality is crucial for accurate coding and billing, as it impacts treatment decisions and reimbursement. It ensures that the specific affected limb is documented, which is essential for clinical management.