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ICD-10 Guide
ICD-10 CodesM21.022

M21.022

Billable

Valgus deformity, not elsewhere classified, left elbow

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

Code Description

ICD-10 M21.022 is a billable code used to indicate a diagnosis of valgus deformity, not elsewhere classified, left 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 left elbow specifically refers to the left arm's joint, which may exhibit symptoms such as pain, reduced range of motion, and functional impairment. Valgus deformities can lead to complications such as joint instability and increased wear on the cartilage, potentially resulting in osteoarthritis over time. Treatment options may include physical therapy, bracing, or surgical interventions to correct the alignment and restore function. Accurate coding is essential for proper management and reimbursement, as it reflects the complexity of the condition and the necessity for appropriate care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of the deformity
  • Differentiation from other types of elbow deformities
  • Need for comprehensive documentation of the patient's history and physical examination
  • Potential for co-existing conditions that may complicate coding

Audit Risk Factors

  • Inadequate documentation of the deformity's severity
  • Failure to specify laterality (left vs. right)
  • Lack of supporting evidence for acquired versus congenital deformity
  • Insufficient details on treatment plans and outcomes

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed physical examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

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

Billing Considerations

Documentation should clearly outline the functional impact of the deformity and any associated conditions.

Physical Medicine and Rehabilitation

Documentation Requirements

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

Focus on the patient's functional status and response to therapy.

Coding Guidelines

Inclusion Criteria

Use M21.022 When
  • According to ICD
  • 10 guidelines, M21
  • 022 should be used when the valgus deformity is not classified elsewhere
  • Coders must ensure that the documentation supports the diagnosis and that the condition is not due to congenital factors

Exclusion Criteria

Do NOT use M21.022 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

24357CPT Code

Osteotomy, elbow

Clinical Scenario

Used for surgical correction of valgus deformity.

Documentation Requirements

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

Specialty Considerations

Orthopedic surgeons must document the rationale for surgery and expected outcomes.

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 difference between acquired and congenital valgus deformity?

Acquired valgus deformity develops due to external factors such as injury or repetitive stress, while congenital valgus deformity is present at birth and results from genetic or developmental issues.