ICD-9 Diagnosis Code 991.6


Diagnosis Code 991.6

ICD-9: 991.6
Short Description: Hypothermia
Long Description: Hypothermia
This is the 2014 version of the ICD-9-CM diagnosis code 991.6

Code Classification
  • Injury and poisoning (800–999)
    • Other and unspecified effects of external causes (990-995)
      • 991 Effects of reduced temperature

Information for Medical Professionals

Information for Patients


Also called: Cold-related illness

Cold weather can affect your body in different ways. You can get frostbite, which is frozen body tissue. Your body can also lose heat faster than you can produce it. The result is hypothermia, or abnormally low body temperature. It can make you sleepy, confused and clumsy. Because it happens gradually and affects your thinking, you may not realize you need help. That makes it especially dangerous. A body temperature below 95° F is a medical emergency and can lead to death if not treated promptly.

Anyone who spends much time outdoors in cold weather can get hypothermia. You can also get it from being cold and wet, or under cold water for too long. Babies and old people are especially at risk. Babies can get it from sleeping in a cold room.

Centers for Disease Control and Prevention

  • How to prevent frostbite and hypothermia
  • Hypothermia

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