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ICD-10 Guide
ICD-10 CodesM05.27

M05.27

Billable

Rheumatoid vasculitis with rheumatoid arthritis of ankle and foot

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/12/2025

Code Description

ICD-10 M05.27 is a billable code used to indicate a diagnosis of rheumatoid vasculitis with rheumatoid arthritis of ankle and foot.

Key Diagnostic Point:

Rheumatoid vasculitis is a serious complication of rheumatoid arthritis (RA) characterized by inflammation of blood vessels, leading to ischemia and tissue damage. In the context of the ankle and foot, this condition can manifest as pain, swelling, and ulceration due to compromised blood flow. Anatomically, the ankle consists of the tibia, fibula, and talus, while the foot comprises multiple bones including the metatarsals and phalanges. The involvement of these structures can lead to significant functional impairment, including limited range of motion and difficulty in weight-bearing activities. Clinically, patients may present with systemic symptoms such as fatigue and fever, alongside localized symptoms in the affected joints. The pathophysiology involves immune-mediated damage to the vascular endothelium, contributing to the systemic manifestations of RA. Early diagnosis and management are crucial to prevent irreversible damage and improve quality of life.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Involvement of multiple anatomical structures (ankle and foot)
  • Need for detailed documentation of systemic involvement
  • Variability in clinical presentation and severity
  • Potential for overlapping conditions (e.g., other forms of vasculitis)

Audit Risk Factors

  • Inadequate documentation of systemic symptoms
  • Failure to specify laterality of joint involvement
  • Misclassification of the severity of the condition
  • Lack of supporting evidence for vasculitis diagnosis

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Orthopedic documentation should include imaging studies (X-rays, MRIs) to assess joint damage and functional assessments to evaluate mobility limitations.

Common Clinical Scenarios

Common scenarios include surgical interventions for joint deformities or severe pain management.

Billing Considerations

Joint-specific considerations include documenting the extent of joint damage and functional limitations affecting daily activities.

Rheumatology

Documentation Requirements

Rheumatologic documentation must include laboratory tests for inflammation markers (e.g., ESR, CRP) and assessments of disease activity (e.g., DAS28 score).

Common Clinical Scenarios

Autoimmune scenarios may involve managing flares of RA and monitoring for complications like vasculitis.

Billing Considerations

Systemic involvement should be documented, including any organ systems affected by vasculitis.

Physical Medicine

Documentation Requirements

Functional assessments should evaluate mobility, strength, and the need for assistive devices.

Common Clinical Scenarios

Rehabilitation scenarios may focus on restoring function post-surgery or managing chronic pain.

Billing Considerations

Mobility limitations should be clearly documented, including the impact on activities of daily living.

Coding Guidelines

Inclusion Criteria

Use M05.27 When
  • Official coding guidelines require specificity in documenting laterality (right, left, bilateral) and severity of the condition
  • Encounter type (initial, subsequent, sequela) must also be clearly indicated

Exclusion Criteria

Do NOT use M05.27 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

Arthrocentesis, aspiration and/or injection into a major joint or bursa

Clinical Scenario

Used for joint effusion management in patients with rheumatoid vasculitis.

Documentation Requirements

Document the joint involved, indication for the procedure, and any complications.

Specialty Considerations

Orthopedic and rheumatologic considerations for joint management.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, particularly those with systemic involvement like M05.27, improving the accuracy of patient records and treatment plans.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, particularly those with systemic involvement like M05.27, improving the accuracy of patient records and treatment plans.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    American College of Rheumatology Guidelines

Coding & Billing References

  • •
    American College of Rheumatology Guidelines

Frequently Asked Questions

What are the common symptoms of rheumatoid vasculitis?

Common symptoms include pain and swelling in the affected joints, skin ulcers, and systemic symptoms like fatigue and fever. It is crucial to monitor for these symptoms in patients with rheumatoid arthritis.