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ICD-10 Guide
ICD-10 CodesM02.311

M02.311

Billable

Reiter's disease, right shoulder

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

Code Description

ICD-10 M02.311 is a billable code used to indicate a diagnosis of reiter's disease, right shoulder.

Key Diagnostic Point:

Reiter's disease, also known as reactive arthritis, is a type of inflammatory arthritis that occurs as a reaction to an infection in another part of the body. It is characterized by the classic triad of arthritis, urethritis, and conjunctivitis. In the case of M02.311, the focus is on the right shoulder joint, which may exhibit swelling, pain, and limited range of motion due to inflammation. Anatomically, the shoulder comprises the humerus, scapula, and clavicle, with the glenohumeral joint being the primary site of involvement. Pathophysiologically, the disease is believed to be triggered by infections, particularly genitourinary or gastrointestinal, leading to an autoimmune response that targets the joints. Clinically, patients may present with acute pain, tenderness, and stiffness in the right shoulder, often exacerbated by movement. The condition can lead to chronic joint damage if not managed appropriately, necessitating a comprehensive treatment approach that includes anti-inflammatory medications, physical therapy, and possibly disease-modifying antirheumatic drugs (DMARDs).

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of autoimmune mechanisms and joint involvement.
  • Differentiation from other types of arthritis.
  • Documentation of laterality and specific joint involvement.
  • Potential for systemic manifestations affecting coding.

Audit Risk Factors

  • Inadequate documentation of joint involvement and laterality.
  • Failure to document the underlying infection triggering the arthritis.
  • Misclassification of Reiter's disease as another type of arthritis.
  • Lack of evidence for treatment efficacy and follow-up.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Orthopedic documentation should include imaging studies (e.g., X-rays, MRIs) to assess joint damage, functional assessments to evaluate range of motion, and treatment plans detailing surgical or non-surgical interventions.

Common Clinical Scenarios

Common scenarios include acute exacerbations requiring joint injections or surgical interventions for severe cases.

Billing Considerations

Joint-specific considerations include the assessment of joint stability and the potential for chronic changes in the shoulder joint.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

Autoimmune scenarios may involve managing concurrent conditions such as psoriasis or inflammatory bowel disease.

Billing Considerations

Consideration of systemic involvement is crucial, as Reiter's disease can affect multiple systems beyond the musculoskeletal.

Physical Medicine

Documentation Requirements

Functional assessments should document the patient's mobility limitations, pain levels, and rehabilitation goals.

Common Clinical Scenarios

Rehabilitation scenarios may include physical therapy for restoring shoulder function and strength.

Billing Considerations

Mobility limitations may necessitate the use of assistive devices, which should be documented for coding purposes.

Coding Guidelines

Inclusion Criteria

Use M02.311 When
  • Official coding guidelines for M02
  • 311 require documentation of laterality (right shoulder), severity of symptoms, and the type of encounter (initial visit, follow
  • up, etc
  • Accurate coding also necessitates linking the diagnosis to relevant treatment and management plans

Exclusion Criteria

Do NOT use M02.311 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 acute exacerbations of shoulder pain due to Reiter's disease.

Documentation Requirements

Documentation must include indication for the procedure, joint involved, and any imaging studies performed.

Specialty Considerations

Orthopedic considerations include assessing joint stability and potential for chronic changes.

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 coders to capture the nuances of Reiter's disease, including laterality and specific joint involvement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling coders to capture the nuances of Reiter's disease, including laterality and specific joint involvement.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    American College of Rheumatology Guidelines for the Management of Reiter's Disease

Coding & Billing References

  • •
    American College of Rheumatology Guidelines for the Management of Reiter's Disease

Frequently Asked Questions

What are the common symptoms of Reiter's disease?

Common symptoms include joint pain and swelling, particularly in the knees and shoulders, along with possible conjunctivitis and urethritis. Patients may also experience systemic symptoms such as fatigue and fever.