ICD-10 Diagnosis Code X31

Exposure to excessive natural cold

Diagnosis Code X31

ICD-10: X31
Short Description: Exposure to excessive natural cold
Long Description: Exposure to excessive natural cold
This is the 2017 version of the ICD-10-CM diagnosis code X31

Code Classification
  • External causes of morbidity and mortality
    • Exposure to forces of nature (X30-X39)
      • Exposure to excessive natural cold (X31)

Information for Medical Professionals

Index of Diseases and Injuries
References found for the code X31 in the Index of Diseases and Injuries:

Information for Patients


Also called: Cold-related illness

Cold weather can affect your body in different ways. You can get frostbite, which is an injury to the body that is caused by freezing. Your body can also lose heat faster than you can produce it. That can cause 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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