Codes / ICD10CM / S63.491

S63.491 Traumatic rupture of other ligament of left index finger at metacarpophalangeal and interphalangeal joint

ICD10CM code

ICD10CM

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Name of the Condition

  • Traumatic rupture of other ligament of left index finger at metacarpophalangeal and interphalangeal joint

Summary

This condition involves a tear or rupture of the ligaments in the left index finger, specifically affecting the joints where the finger connects to the hand (metacarpophalangeal) and the joints within the finger (interphalangeal). It typically results from an injury or trauma.

Causes

The primary cause is direct injury or trauma to the left index finger, such as from sports injuries, falls, or accidents where the finger is forcefully bent or twisted.

Risk Factors

  • Participating in contact sports or activities with a high risk of finger injury.
  • Inadequate protection or poor technique during activities.
  • Prior hand or finger injuries that increase susceptibility.

Symptoms

  • Pain and swelling in the affected finger.
  • Bruising and tenderness around the joint.
  • Instability or looseness of the joint.
  • Reduced range of motion and grasping ability.

Diagnosis

A thorough physical examination by a healthcare provider is performed, often accompanied by imaging tests such as X-rays or MRI to assess the extent of ligament damage.

Treatment Options

  • Rest and Immobilization: Using splints or finger braces to prevent movement.
  • Ice Therapy: Applying ice packs to reduce swelling and pain.
  • Pain Management: Over-the-counter or prescription medications to alleviate discomfort.
  • Physical Therapy: Exercises to restore strength and mobility.
  • Surgical Intervention: May be required for severe or unstable ruptures.

Prognosis and Follow-Up

Recovery depends on the severity of the rupture and adherence to treatment. Most patients regain function with proper care, though some may experience residual stiffness or weakness. Follow-up appointments monitor healing and adjust treatment plans as needed.

Complications

  • Chronic pain or instability in the joint.
  • Reduced finger mobility or grip strength.
  • Potential for re-injury if ligaments do not heal properly.

Lifestyle & Prevention

  • Use protective gear during high-risk activities.
  • Practice proper technique to avoid finger strain.
  • Strengthen hand and finger muscles through targeted exercises.

When to Seek Professional Help

Seek care if pain is severe, swelling worsens, or the finger cannot bear weight. Immediate attention is needed if the finger appears deformed or movement is impossible.

Tips for Medical Coders

Document the specific ligament involved, the exact location (metacarpophalangeal and interphalangeal joints), and the affected finger (left index) to ensure accurate coding. Include details of the injury mechanism and clinical findings to support the diagnosis.

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