Injury of intrinsic muscle, fascia and tendon of thumb at wrist and hand level digital illustration

Injury of intrinsic muscle, fascia and tendon of thumb at wrist and hand level Save


ICD-10 code: S66.4

Chapter: Injury, poisoning and certain other consequences of external causes

Injury of Intrinsic Muscle, Fascia, and Tendon of Thumb at Wrist and Hand Level: Symptoms, Causes, and Treatment

An injury to the intrinsic muscles, fascia, and tendons of the thumb at the wrist and hand level can be a painful and debilitating condition. The intrinsic muscles of the hand are responsible for fine motor control of the fingers and thumb, while the fascia and tendons provide support and stability for the hand and wrist. An injury to any of these structures can lead to pain, weakness, and limited range of motion in the thumb and hand.

There are several different types of injuries that can occur to the intrinsic muscles, fascia, and tendons of the thumb at the wrist and hand level. These can include:

  1. Thumb sprains or strains
  2. Tendonitis or tenosynovitis
  3. Torn ligaments or tendons
  4. Carpal tunnel syndrome
  5. Trigger finger

These injuries can be caused by a variety of factors, including overuse, trauma, or repetitive motions. Athletes, musicians, and those who use their hands for manual labor are at an increased risk for developing these types of injuries.

Symptoms of an injury to the intrinsic muscles, fascia, and tendons of the thumb at the wrist and hand level can include:

  • Pain or tenderness in the thumb and hand
  • Weakness or loss of grip strength
  • Swelling or inflammation
  • Stiffness or limited range of motion

If you are experiencing any of these symptoms, it is important to seek medical attention. Your doctor will likely perform a physical examination and may order imaging tests, such as an X-ray or MRI, to diagnose the extent of the injury.

Treatment for an injury to the intrinsic muscles, fascia, and tendons of the thumb at the wrist and hand level will depend on the severity of the injury. Treatment options may include:

  1. Rest, ice, compression, and elevation (RICE)
  2. Physical therapy
  3. Medications, such as nonsteroidal anti-inflammatory drugs (NSAIDs)
  4. Splinting or bracing
  5. Surgery, in severe cases

In order to prevent an injury to the intrinsic muscles, fascia, and tendons of the thumb at the wrist and hand level, it is important to take breaks during repetitive activities, use proper form and technique when performing manual labor or playing sports,

Diagnosis Codes for Injury of intrinsic muscle, fascia and tendon of thumb at wrist and hand level | S66.4

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