Y93.01 vs Y93.31
Y93.01 (Activity, walking, marching and hiking) compared with Y93.31 (Activity, mountain climbing, rock climbing and wall climbing), 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. Y93.01 carries an Excludes1 note covering Y93.31: “activity, mountain climbing (Y93.31)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. Y93.31 carries an Excludes1 note covering Y93.01: “activity, hiking on level or elevated terrain (Y93.01)”
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
| Y93.01Activity, walking, marching and hiking | Y93.31Activity, mountain climbing, rock climbing and wall climbing | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Activity, walking, marching and hiking is a billable ICD-10-CM diagnosis code (Y93.01). | Activity, mountain climbing, rock climbing and wall climbing is a billable ICD-10-CM diagnosis code (Y93.31). |
| Includes | Activity, walking, marching and hiking on level or elevated terrain | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources