2024 ICD-10-CM Diagnosis Code X37.2XXA

Blizzard (snow)(ice), initial encounter

ICD-10-CM Code:
X37.2XXA
ICD-10 Code for:
Blizzard (snow)(ice), initial encounter
Is Billable?
Yes - Valid for Submission
Code Navigator:

Code Classification

  • External causes of morbidity and mortality
    (V01–Y99)
    • Exposure to forces of nature
      (X30-X39)
      • Cataclysmic storm
        (X37)

X37.2XXA is a billable diagnosis code used to specify a medical diagnosis of blizzard (snow)(ice), initial encounter. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

X37.2XXA is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like blizzard (snow)(ice). According to ICD-10-CM Guidelines an "initial encounter" doesn't necessarily means "initial visit". The 7th character should be used when the patient is undergoing active treatment regardless if new or different providers saw the patient over the course of a treatment. The appropriate 7th character codes should also be used even if the patient delayed seeking treatment for a condition.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Accident caused by blizzard
  • Blizzard
  • Ice storm
  • Snowstorm

Clinical Classification

Clinical CategoryCCSR Category CodeInpatient Default CCSROutpatient Default CCSR
External cause codes: intent of injury, accidental/unintentionalEXT020X - Not applicable.X - Not applicable.
External cause codes: natural/environment; initial encounterEXT011X - Not applicable.X - Not applicable.

Convert X37.2XXA to ICD-9-CM

  • ICD-9-CM Code: E908.3 - Acc d/t snow blizzard
    Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education


Winter Weather Emergencies

What kinds of problems can severe winter weather cause?

Winter storms can bring extreme cold, freezing rain, snow, ice, and high winds. Staying safe and warm can be a challenge. You may have to cope with problems such as:

  • Cold-related health problems, including frostbite and hypothermia
  • Household fires and carbon monoxide poisoning from space heaters and fireplaces
  • Unsafe driving conditions from icy roads
  • Power failures and loss of communication
  • Floods after the snow and ice melt

How can I prepare for a winter weather emergency?

If there is a winter storm coming, there are things you can do to try to keep yourself and your loved ones safe:
  • Have a disaster plan which includes
    • Making sure that you have important phone numbers, including for your health care providers, pharmacy, and veterinarian
    • Having a communication plan for your family
    • Knowing how to get reliable information during the storm
  • Prepare your home to keep out the cold with insulation, caulking, and weather stripping. Learn how to keep pipes from freezing.
  • Gather supplies in case you need to stay home for several days without power
  • If you plan to use your fireplace or wood stove for emergency heating, have your chimney or flue inspected each year
  • Install a smoke detector and a battery-operated carbon monoxide detector
  • If you have to travel, be sure you have an emergency car kit with some basic supplies like
    • An ice scraper
    • A shovel
    • Cat litter or sand for better tire traction
    • Water and snacks
    • Extra warm clothing
    • Jumper cables
    • First aid kit with any necessary medicines and a pocket knife
    • A battery-powered radio, a flashlight, and extra batteries
    • Emergency flares or distress flags
    • Waterproof matches and a can to melt snow for water

If you do experience a disaster, it is normal to feel stressed. You may need help in finding ways to cope.

Centers for Disease Control and Prevention


[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.