X37.4 Tidalwave

Non-billable header with 3 child codes.

Applies from X37 Cataclysmic storm

7th character note

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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Codes under X37.4

• X37.41 Tidal wave due to earthquake or volcanic eruption
• X37.42 Tidal wave due to storm
• X37.43 Tidal wave due to landslide

Code annotations containing back-references to X37.4

Back-references to X37

• Use Additional: T71.21 Asphyxiation due to cave-in or falling earth ("code for any associated cataclysm (X34-X38)")
• Code First: W20 Struck by thrown, projected or falling object ("cataclysm (X34-X39)")

Nearby codes

• X37.2XXS Blizzard (snow)(ice), sequela
• X37.3 Dust storm
• X37.3XXA Dust storm, initial encounter
• X37.3XXD Dust storm, subsequent encounter
• X37.3XXS Dust storm, sequela
• X37.4 Tidalwave (this code)
• X37.41 Tidal wave due to earthquake or volcanic eruption
• X37.41XA Tidal wave due to earthquake or volcanic eruption, initial encounter
• X37.41XD Tidal wave due to earthquake or volcanic eruption, subsequent encounter
• X37.41XS Tidal wave due to earthquake or volcanic eruption, sequela
• X37.42 Tidal wave due to storm