X37.9
⚠ Non-billable
Unspecified cataclysmic storm
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
X37.9
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
External Causes of Morbidity
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code X37.9?
ICD-10-CM code X37.9 represents Unspecified cataclysmic storm. It is a non-billable header code requiring a more specific subcategory in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.
Is X37.9 billable?
No. X37.9 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is X37.9 in?
X37.9 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the X37 category
X37
Cataclysmic storm
Non-billable
X37.0
Hurricane
Non-billable
X37.1
Tornado
Non-billable
X37.2
Blizzard (snow)(ice)
Non-billable
X37.3
Dust storm
Non-billable
X37.4
Tidalwave
Non-billable
X37.8
Other cataclysmic storms
Non-billable
X37.41
Tidal wave due to earthquake or volcanic eruption
Non-billable
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