ICD-9 Diagnosis Code 342.01

Flccd hmiplga domnt side

Diagnosis Code 342.01

ICD-9: 342.01
Short Description: Flccd hmiplga domnt side
Long Description: Flaccid hemiplegia and hemiparesis affecting dominant side
This is the 2014 version of the ICD-9-CM diagnosis code 342.01

Code Classification
  • Diseases of the nervous system
    • Other disorders of the central nervous system (340-349)
      • 342 Hemiplegia and hemiparesis

Information for Patients


Also called: Hemiplegia, Palsy, Paraplegia, Quadriplegia

Paralysis is the loss of muscle function in part of your body. It happens when something goes wrong with the way messages pass between your brain and muscles. Paralysis can be complete or partial. It can occur on one or both sides of your body. It can also occur in just one area, or it can be widespread. Paralysis of the lower half of your body, including both legs, is called paraplegia. Paralysis of the arms and legs is quadriplegia.

Most paralysis is due to strokes or injuries such as spinal cord injury or a broken neck. Other causes of paralysis include

  • Nerve diseases such as amyotrophic lateral sclerosis
  • Autoimmune diseases such as Guillain-Barre syndrome
  • Bell's palsy, which affects muscles in the face

Polio used to be a cause of paralysis, but polio no longer occurs in the U.S.

  • Hyperkalemic periodic paralysis
  • Hypokalemic periodic paralysis
  • Muscle function loss

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