X37
Header — not billableCataclysmic storm
The ICD-10 code for cataclysmic storm is X37.
X37 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.
Clinical notes
7th character definitions
These definitions specify what each valid 7th-character value means for codes in this category.
- [object Object]
7th character note
This category requires a 7th character to indicate additional clinical detail (e.g. encounter type: initial, subsequent, sequela). The code is incomplete without it.
- The appropriate 7th character is to be added to each code from category X37
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This category requires a 7th character. Documentation should clearly indicate the episode of care (initial encounter, subsequent encounter, or sequela).
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- X30Exposure to excessive natural heat
- X31Exposure to excessive natural cold
- X32Exposure to sunlight
- X34Earthquake
- X35Volcanic eruption
- X36Avalanche, landslide and other earth movementsnon-billable header
- X38Flood
- X39Exposure to other forces of naturenon-billable header
- X37Cataclysmic stormnon-billable header