Codes / ICD10CM / S56.128S

S56.128S Laceration of flexor muscle, fascia and tendon of left little finger at forearm level, sequela

ICD10CM code

ICD10CM

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Name of the Condition

  • Laceration of flexor muscle, fascia and tendon of left little finger at forearm level, sequela (ICD-10 Code: S56.128S)

Summary

This condition represents a sequela (late effect) of a prior laceration involving the flexor muscle, fascia, and tendon of the left little finger at the forearm level. It reflects residual impairment or complications following the initial injury, such as persistent functional deficits, scarring, or structural changes that affect finger movement and strength.

Causes

The sequela arises from a previous traumatic event that caused a laceration to the flexor structures of the left little finger at the forearm. The original injury may have resulted from sharp or penetrating trauma, such as cuts from tools, glass, or other objects, leading to damage to the muscle, fascia, or tendon.

Risk Factors

  • Prior history of trauma to the left forearm or little finger.
  • Inadequate initial treatment or delayed healing of the original laceration.
  • Activities or occupations involving repetitive hand use or exposure to cutting hazards, which may exacerbate residual damage.

Symptoms

  • Persistent pain or discomfort at the forearm near the left little finger.
  • Reduced ability to flex (bend) the left little finger, potentially with stiffness or limited range of motion.
  • Visible scarring, swelling, or deformity at the injury site.
  • Weakness in grip or pinch strength involving the left little finger.
  • Possible numbness or tingling if nerve involvement occurred during the initial injury.

Diagnosis

Diagnosis involves a physical examination to assess residual functional deficits, such as limited finger flexion or weakness. Imaging, such as ultrasound or MRI, may be used to evaluate the integrity of the flexor structures and identify any ongoing damage or scarring. A review of the patient’s medical history, including the original injury and treatment, is essential to confirm the sequela.

Treatment Options

Treatment focuses on managing residual symptoms and improving function. This may include physical therapy to restore mobility and strength, pain management strategies, or surgical intervention if structural issues (e.g., tendon adhesions) are present. Orthotic devices or splints may be used to support healing and prevent further impairment.

Prognosis and Follow-Up

Prognosis depends on the severity of the initial injury and the effectiveness of treatment. Most patients experience improved function with appropriate care, though some residual limitations may persist. Regular follow-up appointments are recommended to monitor recovery, adjust treatment plans, and address any new symptoms.

Complications

  • Chronic pain or stiffness in the left little finger.
  • Persistent weakness or reduced dexterity affecting daily activities.
  • Tendon re-rupture or adhesion formation, requiring additional intervention.
  • Nerve damage leading to persistent numbness or tingling.

Lifestyle & Prevention

  • Avoid activities that strain the left little finger or forearm until fully healed.
  • Use protective gear (e.g., gloves) when handling sharp objects or performing manual tasks.
  • Engage in regular, gentle exercises to maintain finger mobility and strength as recommended by a healthcare provider.
  • Follow post-treatment guidelines to minimize the risk of re-injury.

When to Seek Professional Help

Seek medical attention if you experience worsening pain, increased swelling, or new numbness/tingling in the left little finger. Prompt evaluation is also recommended if you notice a sudden decrease in finger movement or strength, as these may indicate a new injury or complication.

Tips for Medical Coders

This code (S56.128S) is used to report a sequela of a laceration involving the flexor muscle, fascia, and tendon of the left little finger at the forearm level. Documentation should clearly indicate the relationship to a prior injury, including the original trauma and any residual effects. Ensure the sequela is distinct from active infection or acute injury, and verify that the left little finger and forearm level are specified.

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