MCMedicalCodingSoftware
W18.31XA

W18.31XA: Fall on same level due to stepping on an object, initial encounter

Billable / specific codeICD-10-CM

W18.31XA is a billable, specific ICD-10-CM code for fall on same level due to stepping on an object, initial encounter. It is valid for submission on a claim.

Check W18.31XA with the rest of the claim: free scrubber

7th character "A": initial encounter

The appropriate 7th character is to be added to each code from category W18

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.

  • slipping, tripping and stumbling without fall due to stepping on animal (W18.41)

Inclusion terms

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

  • Fall on same level due to stepping on an animal

Excludes1 inherited from the categories above W18.31XA

A category’s note binds every code beneath it.

Written on W18.31: Fall on same level due to stepping on an object

  • slipping, tripping and stumbling without fall due to stepping on animal (W18.41)

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 W18.31

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.