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ICD-10 Guide
ICD-10 CodesM02.322

M02.322

Billable

Reiter's disease, left elbow

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

Code Description

ICD-10 M02.322 is a billable code used to indicate a diagnosis of reiter's disease, left elbow.

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 M02.322, the condition specifically affects the left elbow joint. Anatomically, the elbow is a complex hinge joint formed by the humerus, radius, and ulna, allowing for flexion, extension, and limited rotation. Pathophysiologically, Reiter's disease is associated with an autoimmune response triggered by infections, commonly involving the urogenital or gastrointestinal tract. Clinically, patients may present with swelling, pain, and stiffness in the left elbow, which can limit range of motion and functional ability. The inflammatory process can lead to joint damage if not managed appropriately, necessitating a comprehensive treatment approach that may include NSAIDs, corticosteroids, and physical therapy to restore function and mobility.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Specificity of joint involvement (left elbow)
  • Need for accurate documentation of inflammatory markers
  • Potential for systemic involvement requiring comprehensive assessment
  • Differentiation from other types of arthritis

Audit Risk Factors

  • Inadequate documentation of joint involvement and laterality
  • Failure to document the underlying infection or trigger
  • Misclassification of the type of arthritis
  • Lack of evidence for treatment efficacy or response

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Orthopedic documentation should include imaging studies (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 joint injections for pain relief, arthroscopy for joint assessment, and surgical interventions for severe joint damage.

Billing Considerations

Joint-specific considerations include the assessment of joint stability, alignment, and the presence of effusion or synovitis.

Rheumatology

Documentation Requirements

Rheumatologic documentation must include laboratory tests for inflammatory markers (e.g., ESR, CRP), disease activity scores, and patient-reported outcomes.

Common Clinical Scenarios

Scenarios often involve managing flares of arthritis, monitoring for systemic involvement, and adjusting immunosuppressive therapies.

Billing Considerations

Considerations include the assessment of extra-articular manifestations and the impact of comorbid autoimmune conditions.

Physical Medicine

Documentation Requirements

Functional assessments should evaluate mobility, strength, and endurance, along with rehabilitation goals and progress notes.

Common Clinical Scenarios

Rehabilitation scenarios may involve physical therapy for joint mobilization, strength training, and education on joint protection techniques.

Billing Considerations

Mobility limitations may necessitate the use of assistive devices, and documentation should reflect the patient's functional status and rehabilitation needs.

Coding Guidelines

Inclusion Criteria

Use M02.322 When
  • 10 coding guidelines for M02
  • 322 require accurate documentation of laterality (left elbow), severity of the condition, and the type of encounter (initial, follow
  • up, etc
  • Coders must ensure that the diagnosis aligns with the treatment provided

Exclusion Criteria

Do NOT use M02.322 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 patients with significant effusion in the left elbow due to Reiter's disease.

Documentation Requirements

Document the indication for the procedure, joint involved, and any therapeutic agents used.

Specialty Considerations

Orthopedic considerations include assessing joint stability and potential for further intervention.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more detailed coding of musculoskeletal conditions, enabling better tracking of disease prevalence and treatment outcomes. The specificity of M02.322 aids in understanding the impact of Reiter's disease on joint health.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more detailed coding of musculoskeletal conditions, enabling better tracking of disease prevalence and treatment outcomes. The specificity of M02.322 aids in understanding the impact of Reiter's disease on joint health.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more detailed coding of musculoskeletal conditions, enabling better tracking of disease prevalence and treatment outcomes. The specificity of M02.322 aids in understanding the impact of Reiter's disease 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 Reiter's disease?

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