ICD-10-CM X37: Cataclysmic storm

ICD-10-CM Diagnosis Code (2025)

Official Description for X37

Cataclysmic storm

Coding Notes & Guidelines for X37

Excludes1: Not Coded Here

collapse of dam or man-made structure causing earth movement (X36.0)

Excludes2: Not Included Here

flood (X38)

Inclusion Terms
  • Storm surge
  • Typhoon
Inclusion Terms
  • Cyclone
  • Twister
Inclusion Terms
  • Tidal wave NOS
  • Tsunami
Inclusion Terms
  • Cloudburst
  • Torrential rain
Inclusion Terms

Storm NOS

7th Character Guidance

The appropriate 7th character is to be added to each code from category X37

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for X37):

X37.0 - Hurricane X37.1 - Tornado X37.2 - Blizzard (snow)(ice) X37.3 - Dust storm X37.4 - Tidalwave X37.41 - Tidal wave due to earthquake or volcanic eruption X37.42 - Tidal wave due to storm X37.43 - Tidal wave due to landslide X37.8 - Other cataclysmic storms X37.9 - Unspecified cataclysmic storm

About ICD-10-CM Code X37 (Cataclysmic storm)

ICD-10-CM code X37 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM X37 became effective on October 1, 2024.

This page provides detailed information about X37 - Cataclysmic storm. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Cataclysmic storm.