S66.524 Laceration of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level

Name of the Condition

• Laceration of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level
• ICD-10 Code: S66.524

Summary

This condition involves a laceration (cut or tear) of the intrinsic muscles, fascia, or tendons of the right ring finger at the wrist and hand level. Lacerations may disrupt tissue integrity, impair finger movement, and may require clinical evaluation to assess damage and guide management. The injury may affect function, stability, or sensation in the affected finger.

Causes

Lacerations typically result from acute trauma, such as cuts from sharp objects (e.g., knives, glass), falls, or direct blows to the hand. Penetrating injuries, including punctures or tears, can also damage these soft tissues. Repetitive or forceful hand movements may increase the risk of laceration in some cases.

Risk Factors

• Engaging in manual labor or activities with sharp tools.
• Participation in sports or hobbies involving hand contact (e.g., boxing, martial arts).
• Poor protective measures during high-risk tasks.
• Previous injuries to the wrist or hand that weaken tissue.

Symptoms

• Pain, swelling, or tenderness in the right ring finger.
• Visible cut or open wound at the injury site.
• Difficulty moving the finger or reduced grip strength.
• Bruising, numbness, or tingling in the affected area.
• Weakness or loss of finger function.

Diagnosis

Physical examination to assess the wound, range of motion, and tissue damage. Imaging (e.g., ultrasound or MRI) may be used to evaluate tendon or muscle integrity. Nerve function tests may be performed if sensation is impaired.

Treatment Options

• Wound cleaning and possible suturing for open lacerations.
• Immobilization (e.g., splinting) to support healing.
• Physical therapy to restore movement and strength.
• Surgical repair for severe tendon or muscle damage.
• Pain management and infection prevention.

Prognosis and Follow-Up

Recovery depends on the extent of tissue damage and treatment. Most mild lacerations heal with proper care, but severe injuries may require longer rehabilitation. Follow-up appointments monitor healing and functional recovery.

Complications

• Infection at the injury site.
• Chronic pain or stiffness.
• Nerve damage leading to numbness or weakness.
• Tendon adhesion or restricted movement.
• Delayed healing or scar tissue formation.

Lifestyle & Prevention

• Use protective gear (e.g., gloves) during high-risk activities.
• Avoid repetitive forceful hand movements.
• Practice safe handling of sharp objects.
• Maintain hand strength and flexibility through exercise.

When to Seek Professional Help

Seek immediate care for deep wounds, uncontrolled bleeding, or loss of finger movement. Consult a healthcare provider if pain worsens, signs of infection appear, or sensation is impaired.

Tips for Medical Coders

Document the specific finger (right ring), location (wrist and hand level), and tissue involved (intrinsic muscle, fascia, tendon). Include details on wound severity, treatment, and any associated complications to support accurate coding.