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ICD-10 Guide
ICD-10 CodesM21.22

M21.22

Billable

Flexion deformity, elbow

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

Code Description

ICD-10 M21.22 is a billable code used to indicate a diagnosis of flexion deformity, elbow.

Key Diagnostic Point:

Flexion deformity of the elbow is characterized by a permanent bending of the elbow joint, resulting in a reduced range of motion and functional impairment. This condition can arise from various causes, including trauma, neurological disorders, or inflammatory conditions such as rheumatoid arthritis. In cases of acquired deformities, the elbow may become fixed in a flexed position, which can significantly impact daily activities and quality of life. Patients may present with difficulty in extending the arm, performing overhead activities, or engaging in tasks that require full elbow extension. The deformity can also lead to compensatory mechanisms in the shoulder and wrist, further complicating the patient's functional capabilities. Treatment options may include physical therapy, splinting, or surgical interventions aimed at correcting the deformity and restoring function. Surgical procedures may involve soft tissue releases, osteotomies, or arthroplasties, depending on the severity and underlying cause of the deformity.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes (trauma, neurological, inflammatory)
  • Need for detailed documentation of functional impairment
  • Potential for co-existing conditions affecting treatment
  • Variability in treatment approaches and outcomes

Audit Risk Factors

  • Inadequate documentation of the deformity's impact on function
  • Failure to specify the underlying cause of the deformity
  • Incorrect coding of associated conditions
  • Lack of clarity in treatment plans

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed operative reports, pre-operative assessments, and post-operative follow-ups are essential.

Common Clinical Scenarios

Patients presenting with post-traumatic elbow flexion deformities or those with rheumatoid arthritis.

Billing Considerations

Documentation must clearly outline the functional limitations and the rationale for surgical intervention.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive evaluations including functional assessments and therapy progress notes.

Common Clinical Scenarios

Patients undergoing rehabilitation post-surgery or those with non-surgical management plans.

Billing Considerations

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

Coding Guidelines

Inclusion Criteria

Use M21.22 When
  • According to ICD
  • 10 guidelines, M21
  • 22 should be used when the flexion deformity is acquired and not congenital
  • Documentation must specify the cause of the deformity and any associated conditions

Exclusion Criteria

Do NOT use M21.22 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

24357CPT Code

Elbow arthroplasty

Clinical Scenario

Used in cases where severe flexion deformity requires surgical correction.

Documentation Requirements

Operative report detailing the procedure and indication for surgery.

Specialty Considerations

Orthopedic surgeons must document the functional limitations and pre-operative assessments.

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 flexion deformity, improving the accuracy of diagnoses and treatment plans. This specificity aids in better tracking of outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like flexion deformity, improving the accuracy of diagnoses and treatment plans. This specificity aids in better tracking of outcomes and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like flexion deformity, improving the accuracy of diagnoses and treatment plans. This specificity aids in better tracking of outcomes and resource allocation.

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 are the common causes of flexion deformity of the elbow?

Common causes include trauma, neurological disorders, and inflammatory conditions such as rheumatoid arthritis.

How is flexion deformity of the elbow treated?

Treatment options may include physical therapy, splinting, or surgical interventions depending on the severity and underlying cause.