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v1.0.0
ICD-10 Guide
ICD-10 CodesM05.011

M05.011

Billable

Felty's syndrome, right shoulder

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

Code Description

ICD-10 M05.011 is a billable code used to indicate a diagnosis of felty's syndrome, right shoulder.

Key Diagnostic Point:

Felty's syndrome is a rare complication of rheumatoid arthritis characterized by the triad of rheumatoid arthritis, splenomegaly, and leukopenia. In the context of the right shoulder, patients may experience significant joint inflammation, pain, and functional limitations due to the autoimmune process affecting the synovial tissue. The right shoulder joint, comprising the glenohumeral joint, acromioclavicular joint, and scapulothoracic articulation, may exhibit swelling, tenderness, and decreased range of motion. The pathophysiology involves immune-mediated damage to joint tissues, leading to chronic inflammation and potential joint destruction. Clinically, patients may present with systemic symptoms such as fatigue and malaise, alongside localized shoulder pain and stiffness, which can severely impact daily activities and quality of life.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Involvement of multiple systems (rheumatologic and hematologic)
  • Need for precise documentation of laterality and joint involvement
  • Potential for overlapping symptoms with other rheumatologic conditions
  • Variability in clinical presentation and severity

Audit Risk Factors

  • Inadequate documentation of systemic symptoms
  • Failure to specify laterality and joint involvement
  • Misclassification of the condition as a primary diagnosis without supporting evidence
  • Lack of clarity in treatment plans and response to therapy

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Orthopedic documentation should include imaging studies (e.g., X-rays, MRI) to assess joint integrity, functional assessments to evaluate range of motion, and detailed notes on surgical interventions if applicable.

Common Clinical Scenarios

Common scenarios include surgical interventions for joint repair or replacement due to severe damage from Felty's syndrome.

Billing Considerations

Joint-specific considerations include documenting the extent of joint damage and any associated deformities.

Rheumatology

Documentation Requirements

Rheumatologic documentation must include laboratory tests for inflammatory markers (e.g., ESR, CRP), disease activity scores, and assessments of splenomegaly.

Common Clinical Scenarios

Patients may present with exacerbations of rheumatoid arthritis symptoms, requiring adjustments in disease-modifying antirheumatic drugs (DMARDs).

Billing Considerations

Systemic involvement, such as the impact on blood cell counts and potential complications, should be thoroughly documented.

Physical Medicine

Documentation Requirements

Functional assessments should evaluate mobility, strength, and the need for assistive devices to aid in rehabilitation.

Common Clinical Scenarios

Rehabilitation scenarios may involve physical therapy to improve shoulder function and reduce pain.

Billing Considerations

Documentation should address mobility limitations and any adaptations made for daily living activities.

Coding Guidelines

Inclusion Criteria

Use M05.011 When
  • 10 coding guidelines require specificity in laterality (right shoulder) and the severity of the condition
  • Documentation must reflect the encounter type, whether it is an initial visit, follow
  • up, or a complication of treatment

Exclusion Criteria

Do NOT use M05.011 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 managing joint effusion in the right shoulder due to Felty's syndrome.

Documentation Requirements

Documentation must include the indication for the procedure, joint involved, and any therapeutic agents used.

Specialty Considerations

Orthopedic and rheumatologic considerations include the need for imaging guidance and assessment of joint stability.

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, enabling better tracking of complications like Felty's syndrome and its impact on joint health.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling better tracking of complications like Felty's syndrome and its impact on joint health.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling better tracking of complications like Felty's syndrome and its impact on joint health.

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 Felty's syndrome?

Common symptoms include joint pain and swelling, particularly in the shoulders, fatigue, recurrent infections due to low white blood cell counts, and splenomegaly.