Codes / ICD10CM / S46.321

S46.321 Laceration of muscle, fascia and tendon of triceps, right arm

ICD10CM code

ICD10CM

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Name of the Condition

  • Laceration of muscle, fascia and tendon of triceps, right arm.

Summary

This condition involves a cut or tear of the muscles, fascia, and tendons of the triceps in the right arm, typically resulting from trauma. It can impair elbow extension and arm function, requiring medical evaluation for proper management.

Causes

Causes include acute injuries such as direct blows, penetrating wounds, or forceful trauma to the right arm. Lacerations may also result from accidents involving sharp objects or high-impact events.

Risk Factors

  • Participation in contact sports, physically demanding occupations, poor muscle conditioning, and previous arm injuries increase susceptibility.

Symptoms

  • Symptoms may include pain, swelling, bruising, weakness, limited range of motion, and difficulty extending the elbow. Visible lacerations or open wounds may be present.

Diagnosis

Diagnosis typically involves a physical examination to assess function and tenderness. Imaging tests like MRI or ultrasound may be used to evaluate the extent of muscle or tendon damage, and wound assessment is critical.

Treatment Options

  • Treatment may include wound care, pain management, physical therapy to restore strength and mobility, and in severe cases, surgical repair of damaged structures. Antibiotics may be used if infection risk is present.

Prognosis and Follow-Up

Recovery depends on the injury severity and treatment adherence. Most patients improve with conservative care, though follow-up may be needed to monitor healing and functional recovery.

Complications

  • Potential complications include infection, nerve or vascular damage, chronic pain, or reduced arm function if not properly treated.

Lifestyle & Prevention

  • Avoid activities that risk arm trauma, use protective gear during sports, and maintain muscle strength to reduce injury susceptibility.

When to Seek Professional Help

Seek immediate medical attention for severe pain, visible lacerations, inability to move the arm, or signs of infection like redness or pus.

Tips for Medical Coders

Document the location (right arm), nature of the injury (laceration), and involvement of muscle, fascia, and tendon. Ensure clinical notes support the specificity of the laceration and affected structures.

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