ICD-9 Diagnosis Code 850.0

Concussion w/o coma

Diagnosis Code 850.0

ICD-9: 850.0
Short Description: Concussion w/o coma
Long Description: Concussion with no loss of consciousness
This is the 2014 version of the ICD-9-CM diagnosis code 850.0

Code Classification
  • Injury and poisoning (800–999)
    • Intracranial injury, excluding those with skull fracture (850-854)
      • 850 Concussion

Information for Medical Professionals

Convert to ICD-10 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Index of Diseases and Injuries
References found for the code 850.0 in the Index of Diseases and Injuries:

    • Concussion (current) 850.9
      • with
        • mental confusion or disorientation (without loss of consciousness) 850.0
          • with loss of consciousness - see Concussion, with, loss of consciousness
      • without loss of consciousness 850.0
      • brain or cerebral (without skull fracture) 850.9
        • with
          • mental confusion or disorientation (without loss of consciousness) 850.0
            • with loss of consciousness - see Concussion, brain, with, loss of consciousness
        • without loss of consciousness 850.0

Information for Patients


Concussion

Also called: Brain concussion

A concussion is a type of brain injury. It's the most minor form. Technically, a concussion is a short loss of normal brain function in response to a head injury. But people often use it to describe any minor injury to the head or brain.

Concussions are a common type of sports injury. You can also have one if you suffer a blow to the head or hit your head after a fall.

Symptoms of a concussion may not start right away; they may start days or weeks after the injury. Symptoms may include a headache or neck pain. You may also have nausea, ringing in your ears, dizziness, or tiredness. You may feel dazed or not your normal self for several days or weeks after the injury. Consult your health care professional if any of your symptoms get worse, or if you have more serious symptoms such as

  • Seizures
  • Trouble walking or sleeping
  • Weakness, numbness, or decreased coordination
  • Repeated vomiting or nausea
  • Confusion
  • Slurred speech

Doctors use a neurologic exam and imaging tests to diagnose a concussion. Most people recover fully after a concussion, but it can take some time. Rest is very important after a concussion because it helps the brain to heal.

Centers for Disease Control and Prevention

  • Concussion
  • Concussion - adults - discharge
  • Concussion - child - discharge
  • Facts about Concussion and Brain Injury (Centers for Disease Control and Prevention)
  • Preventing head injuries in children


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