X37.9
ICD-10Non-billable categoryUnspecified cataclysmic storm
Official ICD-10-CM descriptor (FY2026)
Unspecified cataclysmic storm
X37.9 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Inclusion terms
- Storm NOS
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- collapse of dam or man-made structure causing earth movement (X36.0)
Related codes in X37
Where this code sits
- Parent code
- X37
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.