ICD-10-CM > V00-Y99 > X30-X39 > X37 > X37.9 X37.9 Unspecified cataclysmic storm Non-Billable/Non-Specific Applicable To Storm NOS Type 1 Excludes collapse of dam or man-made structure causing earth movement (X36.0) Codes X37.9XXA..., initial encounterX37.9XXD..., subsequent encounterX37.9XXS..., sequela