ICD-10 Diagnosis Code S66.012D

Strain long flexor musc/fasc/tend l thm at wrs/hnd lv, subs

Diagnosis Code S66.012D

ICD-10: S66.012D
Short Description: Strain long flexor musc/fasc/tend l thm at wrs/hnd lv, subs
Long Description: Strain of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
This is the 2017 version of the ICD-10-CM diagnosis code S66.012D

Code Classification
  • Injury, poisoning and certain other consequences of external causes
    • Injuries to the wrist, hand and fingers (S60-S69)
      • Injury of muscle, fascia and tendon at wrist and hand level (S66)

Information for Medical Professionals

Information for Patients

Hand Injuries and Disorders

No matter how old you are or what you do for a living, you are always using your hands. When there is something wrong with them, you may not be able to do your regular activities.

Hand problems include

  • Carpal tunnel syndrome - compression of a nerve as it goes through the wrist, often making your fingers feel numb
  • Injuries that result in fractures, ruptured ligaments and dislocations
  • Osteoarthritis - wear-and-tear arthritis, which can also cause deformity
  • Tendinitis - irritation of the tendons
  • Disorders and injuries of your fingers and thumb

  • Brachial plexopathy
  • Claw hand
  • Dupuytrens contracture
  • Hand fracture - aftercare
  • Hand or foot spasms
  • Hand x-ray
  • Radial nerve dysfunction
  • Ulnar nerve dysfunction

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Sprains and Strains

A sprain is a stretched or torn ligament. Ligaments are tissues that connect bones at a joint. Falling, twisting, or getting hit can all cause a sprain. Ankle and wrist sprains are common. Symptoms include pain, swelling, bruising, and being unable to move your joint. You might feel a pop or tear when the injury happens.

A strain is a stretched or torn muscle or tendon. Tendons are tissues that connect muscle to bone. Twisting or pulling these tissues can cause a strain. Strains can happen suddenly or develop over time. Back and hamstring muscle strains are common. Many people get strains playing sports. Symptoms include pain, muscle spasms, swelling, and trouble moving the muscle.

At first, treatment of both sprains and strains usually involves resting the injured area, icing it, wearing a bandage or device that compresses the area, and medicines. Later treatment might include exercise and physical therapy.

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases

  • Ankle sprain - aftercare
  • Elbow sprain -- aftercare
  • Foot sprain - aftercare
  • Hamstring strain - aftercare
  • Hip flexor strain -- aftercare
  • Sprains
  • Strains
  • Tendon repair
  • Wrist sprain - aftercare

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Wrist Injuries and Disorders

Your wrist is made up of eight small bones known as carpals. They support a tube that runs through your wrist. That tube, called the carpal tunnel, has tendons and a nerve inside. It is covered by a ligament, which holds it in place.

Wrist pain is common. Repetitive motion can damage your wrist. Everyday activities like typing, racquet sports or sewing can cause pain, or even carpal tunnel syndrome. Wrist pain with bruising and swelling can be a sign of injury. The signs of a possible fracture include misshapen joints and inability to move your wrist. Some wrist fractures are a result of osteoporosis.

Other common causes of pain are

  • Sprains and strains
  • Tendinitis
  • Arthritis
  • Gout and pseudogout

  • Colles wrist fracture - aftercare
  • De Quervain tendinitis
  • Wrist arthroscopy
  • Wrist pain
  • Wrist sprain - aftercare

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