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ICD-10 Guide
ICD-10 CodesM67.242

M67.242

Billable

Synovial hypertrophy, not elsewhere classified, left hand

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/17/2025

Code Description

ICD-10 M67.242 is a billable code used to indicate a diagnosis of synovial hypertrophy, not elsewhere classified, left hand.

Key Diagnostic Point:

Synovial hypertrophy refers to the abnormal enlargement of the synovial membrane, which lines the joints and tendon sheaths. This condition can occur due to various underlying causes, including inflammatory arthritis, repetitive strain injuries, or localized infections. In the left hand, synovial hypertrophy may present with swelling, pain, and reduced range of motion in the affected joints or tendons. Clinically, it is often associated with tenosynovitis, where the synovial sheath surrounding a tendon becomes inflamed, leading to pain and difficulty in movement. This condition can also predispose individuals to tendon ruptures if left untreated. Surgical interventions may be necessary to repair damaged tendons or to excise hypertrophied synovial tissue. Accurate diagnosis typically involves imaging studies, such as ultrasound or MRI, to assess the extent of hypertrophy and any associated tendon pathology. Treatment may include corticosteroid injections, physical therapy, or surgical repair, depending on the severity and underlying cause of the condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and underlying causes
  • Need for precise documentation of symptoms and imaging findings
  • Differentiation from other synovial disorders
  • Potential for co-existing conditions affecting coding

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify laterality (left hand)
  • Misclassification of the condition as a more specific diagnosis
  • Lack of supporting imaging or treatment documentation

Specialty Focus

Medical Specialties

Rheumatology

Documentation Requirements

Detailed clinical notes on joint examination, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with joint swelling, pain, and stiffness, particularly in the context of inflammatory arthritis.

Billing Considerations

Ensure to document the duration of symptoms and any prior treatments to support the diagnosis.

Orthopedic Surgery

Documentation Requirements

Operative reports detailing the surgical procedure, findings, and post-operative care.

Common Clinical Scenarios

Surgical repair of ruptured tendons or excision of hypertrophied synovial tissue.

Billing Considerations

Document the specific tendons involved and the extent of the surgical intervention.

Coding Guidelines

Inclusion Criteria

Use M67.242 When
  • Follow official ICD
  • 10 coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Include details about the location and nature of the hypertrophy, and any associated conditions

Exclusion Criteria

Do NOT use M67.242 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 synovial hypertrophy requiring joint aspiration or injection.

Documentation Requirements

Document the indication for the procedure and any findings during the aspiration.

Specialty Considerations

Rheumatologists may perform this procedure for diagnostic and therapeutic purposes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like synovial hypertrophy, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like synovial hypertrophy, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is synovial hypertrophy?

Synovial hypertrophy is the abnormal enlargement of the synovial membrane, often due to inflammation or irritation, leading to joint swelling and pain.

How is synovial hypertrophy diagnosed?

Diagnosis typically involves clinical examination, imaging studies like MRI or ultrasound, and exclusion of other conditions.

What treatments are available for synovial hypertrophy?

Treatment options may include corticosteroid injections, physical therapy, or surgical intervention depending on the severity and underlying cause.