MCMedicalCodingSoftware
X37.9XXS

X37.9XXS: Unspecified cataclysmic storm, sequela

Billable / specific codeICD-10-CMPOA exempt

X37.9XXS is a billable, specific ICD-10-CM code for unspecified cataclysmic storm, sequela. It is valid for submission on a claim.

Check X37.9XXS with the rest of the claim: free scrubber

7th character "S": sequela

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

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • collapse of dam or man-made structure causing earth movement (X36.0)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Storm NOS

Excludes1 inherited from the categories above X37.9XXS

A category’s note binds every code beneath it.

Written on X37.9: Unspecified cataclysmic storm

  • collapse of dam or man-made structure causing earth movement (X36.0)

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under X37.9

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.