ICD-9 Diagnosis Code 351.0

Bell's palsy

Diagnosis Code 351.0

ICD-9: 351.0
Short Description: Bell's palsy
Long Description: Bell's palsy
This is the 2014 version of the ICD-9-CM diagnosis code 351.0

Code Classification
  • Diseases of the nervous system (320–359)
    • Disorders of the peripheral nervous system (350-359)
      • 351 Facial nerve disorders

Information for Medical Professionals

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Index of Diseases and Injuries
References found for the code 351.0 in the Index of Diseases and Injuries:

Information for Patients

Bell's Palsy

Bell's palsy is the most common cause of facial paralysis. It usually affects just one side of the face. Symptoms appear suddenly and are at their worst about 48 hours after they start. They can range from mild to severe and include

  • Twitching
  • Weakness
  • Paralysis
  • Drooping eyelid or corner of mouth
  • Drooling
  • Dry eye or mouth
  • Excessive tearing in the eye
  • Impaired ability to taste

Scientists think that a viral infection makes the facial nerve swell or become inflamed. You are most likely to get Bell's palsy if you are pregnant, diabetic or sick with a cold or flu.

Three out of four patients improve without treatment. With or without treatment, most people begin to get better within 2 weeks and recover completely within 3 to 6 months.

NIH: National Institute of Neurological Disorders and Stroke

  • Bell's palsy

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