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ICD-10 Guide
ICD-10 CodesM02.342

M02.342

Billable

Reiter's disease, left hand

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

Code Description

ICD-10 M02.342 is a billable code used to indicate a diagnosis of reiter's disease, left hand.

Key Diagnostic Point:

Reiter's disease, also known as reactive arthritis, is a type of inflammatory arthritis that develops in response 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 M02.342, the condition specifically affects the left hand, which may involve the metacarpophalangeal joints and interphalangeal joints. The pathophysiology involves an autoimmune response triggered by infections, often of the urogenital or gastrointestinal tract. Clinically, patients may present with swelling, pain, and stiffness in the affected joints, particularly after an infection. The left hand may exhibit limited range of motion, tenderness, and swelling, impacting daily activities. Early diagnosis and management are crucial to prevent chronic joint damage.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of autoimmune responses and joint involvement.
  • Differentiation from other types of arthritis.
  • Documentation of laterality and specific joint involvement.
  • Potential for systemic symptoms complicating the clinical picture.

Audit Risk Factors

  • Inadequate documentation of prior infections leading to the condition.
  • Failure to specify laterality or joint involvement.
  • Misclassification of Reiter's disease as another type of arthritis.
  • Lack of evidence for systemic involvement or additional symptoms.

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 range of motion.

Common Clinical Scenarios

Patients may present with acute pain and swelling in the left hand, requiring joint injections or surgical intervention for severe cases.

Billing Considerations

Documenting the severity of joint involvement and any surgical interventions is critical for accurate coding.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

Patients may exhibit systemic symptoms such as conjunctivitis or urethritis alongside joint symptoms, necessitating a comprehensive approach.

Billing Considerations

Monitoring for systemic involvement and documenting any extra-articular manifestations is essential.

Physical Medicine

Documentation Requirements

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

Common Clinical Scenarios

Rehabilitation may focus on restoring function and managing pain in the left hand post-inflammation.

Billing Considerations

Documenting the impact on daily activities and the patient's rehabilitation goals is important.

Coding Guidelines

Inclusion Criteria

Use M02.342 When
  • 10 coding guidelines for M02
  • 342 require accurate documentation of laterality (left hand) and the specific joints involved
  • Encounter type (initial, follow
  • up) must also be documented to reflect the patient's treatment course

Exclusion Criteria

Do NOT use M02.342 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 swelling and pain management in Reiter's disease.

Documentation Requirements

Document the joint involved, indication for the procedure, and any imaging guidance used.

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, enabling better tracking of disease prevalence and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling better tracking of disease prevalence and treatment outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling better tracking of disease prevalence and treatment outcomes.

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 hands and feet, along with possible conjunctivitis and urethritis. Patients may also experience systemic symptoms such as fatigue and fever.