MCMedicalCodingSoftware
X36.1

X36.1: Avalanche, landslide, or mudslide

Non-billable headerICD-10-CM

X36.1 is a non-billable header ICD-10-CM code for avalanche, landslide, or mudslide. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category X36

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above X36.1

A category’s note binds every code beneath it.

Written on X36: Avalanche, landslide and other earth movements

  • earthquake (X34)

Excludes2 inherited from the categories above X36.1

Not part of this code, but both may be coded when both are present.

Written on X36: Avalanche, landslide and other earth movements

  • transport accident involving collision with avalanche or landslide not in motion (V01-V99)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Landslide(falling on transport vehicle)
  • Forces of nature›avalanche
  • Forces of nature›earth movement
  • Forces of nature›landslide
  • Forces of nature›mudslide

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead X36.1

3 child codes. Green means billable.

Other codes under X36

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.