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Compare/Y93.1 vs Y93.2

Y93.1 vs Y93.2

Y93.1 (Activities involving water and water craft) compared with Y93.2 (Activities involving ice and snow), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Can these codes be reported together?

No — do not report together. Y93.1 carries an Excludes1 note covering Y93.2: “activities involving ice (Y93.2-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

Y93.1Activities involving water and water craftY93.2Activities involving ice and snow
Billing statusNon-billable header

Report instead: Y93.11, Y93.12, Y93.13, Y93.14, Y93.15

Non-billable header

Report instead: Y93.21, Y93.22, Y93.23, Y93.24, Y93.29

ClassificationV00-Y99 — External Causes of Morbidity (V00-Y99)V00-Y99 — External Causes of Morbidity (V00-Y99)
DefinitionActivities involving water and water craft is a non-billable ICD-10-CM category code (Y93.1).Activities involving ice and snow is a non-billable ICD-10-CM category code (Y93.2).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources